You may compare a cell to a city! Each component of the cell serves a distinct task. Depending on their similar functions, the components of the cell could be likened to the components of a municipality.
What's an illustration of an analogy?This analogy is a connection used to demonstrate a concept or provide an explanation. For instance, "You never anticipate what you're going to get in life—like it's a box of chocolates." When making an analogy, metaphors as well as similes are acceptable.
Which five analogies are examples of?You will learn more about the function of this literary device by using these analogy examples. Romeo & Juliet's A Title Is a Rose. Life is like the Macbeth Shadow.
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The muscles of facial expression insert into skin or other muscles, not bones. antagonist.a. Trueb. False
The muscles of facial expression insert into skin or other muscles, not bones. antagonist .True
One or more actions or postures of the muscles beneath the skin of the face constitute a facial expression. According to one contentious theory, these motions reveal an individual's emotional state to observers. Nonverbal communication includes facial expressions. They are the most common way for humans to communicate social information, but they are also found in most other mammals and several other animal species.
Humans can make a voluntary or involuntary facial expression, and the brain systems that regulate the expression differ in each situation. Voluntary facial expressions are frequently socially conditioned and go through the brain via the cortical pathway. In contrast, involuntary facial expressions
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how is fitness determined in the biological sense?
Fitness in biology determines the organism ability to survive and reproduce in the nature.
In biology, fitness is the capacity of an organism to endure and procreate successfully within its environment. It gauges how well an organism can pass on its genes to succeeding generations. An individual's fitness is based on both their genetic characteristics and their capacity for environmental adaptation.
Fitness has two parts: absolute fitness and relative fitness. An individual's fitness in relation to others in the same population is referred to as relative fitness. Absolute fitness is the sum of a person's reproductive success, including the number of offspring produced and the survival rates of those offspring.
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If the individuals in a population mate at random, and if allele H1 is at frequency 0.60 and allele H2 is at frequency 0.40, what is the frequency of H1H2 offspring?
The frequency of H1H2 offspring is 0.48 if allele H1 is at frequency 0.60 and allele H2 is at frequency 0.40.
As per the question, the frequency of allele H1 is 0.60, which means [tex]p^{2}[/tex] = 0.60. And frequency of allele H2, [tex]q^{2}[/tex] = 0.40. Now, we know that if two frequncies are equal to 1, the then population is in hardy-Weinburg equilibrium. According to this rule,
[tex]p^{2}[/tex] + 2pq + [tex]q^{2}[/tex]
Now, we can calculate the frequency of the heterozygote or their offspring, 2pq = 2(0.4) (0.6) = 0.48. Therefore, 0.48 is the frequency of the offspring (H1H2).
All homozygous dominant individuals (AA) and half of the heterozygotes (Aa) are counted since p is the frequency of all dominant alleles (A). Similar to how it counts all homozygous recessive people (aa) and half of heterozygous individuals (Aa) since q is the frequency of all recessive alleles (a). As a result, in a population, [tex]p^{2}[/tex] denotes all homozygous dominant individuals, [tex]q^{2}[/tex] denotes all homozygous recessive individuals, and 2pq denotes all heterozygous individuals. Everything is set to 1 because the total number of people in a population is 1.
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The sum of individual supply curves added together reflect the ______ supply curve.
The sum of individual supply curves added together reflect the Market supply curve. The link between the cost of an item or service and the volume supplied by all market producers is depicted graphically by the market supply curve.
The market supply curve represents the total quantity of a good or service that all producers in a market are willing and able to provide at each possible price, taking into account the individual supply curves of all firms in the market. The market supply curve slopes upwards as the price of a good or service increases, since producers are incentivized to produce more of the good or service as the price rises. The sum of the individual supply curves represents the market supply curve because it shows the combined effect of all producers in a market on the supply of a good or service.
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how does the structure of dna encode genetic information? the length of the dna molecule the arrangement of deoxyribose and phosphate molecules the sequence of bases the structure of the bases
The sequence of bases is the structure of DNA encode genetic information.
The essential enzyme for biological nitrogen fixing is nitrogenase. Nitrogen is converted into ammonia by nitrogenase. It exists in a few prokaryotes. Biological nitrogen fixation is the process by which living things convert dinitrogen to ammonia.
The process of turning nitrogen into ammonia is catalysed by nitrogenase. The first stable product of nitrogen fixation is ammonia. As a catalyst, nitrogenase lowers the activation energy.
Energy in the form of ATPs is used in the transformation of nitrogen into ammonia. The following is the reaction that the enzyme nitrogenase catalyses:
2NH3 + H2 + 16ADP + 16Pi = N2 + 8e_ + 8H+ + 16ATP
Nitrogen fixation is catalysed by nitrogenase. It is an essential enzyme for the continuation of life on Earth. Different kinds of nitrogen-fixing bacteria have one of three forms of nitrogenase.
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which male hormone provides negative feedback for the secretion of fsh?
The male hormone testosterone provides negative feedback for the secretion of follicle-stimulating hormone (FSH).
The Leydig cells in the testes, which create testosterone, inhibit the anterior pituitary gland's ability to secrete FSH. The pituitary gland receives a signal from rising blood levels of testosterone to stop secreting FSH. This feedback mechanism aids in maintaining healthy levels of testosterone and FSH for optimal male reproductive function as well as the hormonal balance in the body. In this way the hormone maintain the levels of other hormones so that healthy functioning of body can be regulated.
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The animal functional genomics laboratory at mississippi state university conducts genetic research involving farm animals. The results can be used to genetically modify commercially useful animals. Which idea can best be used to support this research?.
Genetic changes can be utilised to create or select potentially valuable features in an organism.
This is the primary benefit of genetically modified organisms. For example, genetic alterations can be developed to increase milk supply or improve illness resistance in cows.
Due to genetic modifications, milk productivity per cow has more than doubled in the last 40 years, and many cows now produce more than 20,000 kg of milk per lactation.
This demonstrates that genetic modifications to increase milk output in cows have already happened.
Genomics is the study of how a person's biological knowledge can be used to enhance clinical care, health outcomes, and individualised therapy.
The analysis of a person's or other organism's entire collection of DNA (including all of the genes).
Almost every cell in the human body carries a full copy of the genome. The genome contains all of the information that a person requires to develop and grow.
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the dna molecule contains an organisms genetic information. which part of the dna molecule codes for information that is translated into proteins?
The protein molecules that the genes in DNA encode are the "workhorses" of the cell and perform all the tasks required for life.
The simplest definition of gene expression is the production of the gene's associated protein, and this complex procedure involves two main phases. Transcription is the process by which the data in DNA is converted into a messenger RNA (mRNA) molecule in the initial phase.
An enzyme known as RNA polymerase II catalyzes the synthesis of a pre-mRNA molecule all through transcription and uses the DNA of a gene as a template for complementary base-pairing.
The pre-mRNA molecule is then processed to generate mature mRNA. A single-stranded copy of the gene is produced as mRNA, which must then be translated into a protein molecule.
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Isolated bacteria can be isolated from a mixed culture by all of the following techniques EXCEAIE IStreak plating LLoop dilution pour plating Gram staining Igerial dilution followed by spread plating
A. Yes, you can isolate bacteria from a mixed culture using any of these procedures. Methods for isolating bacteria from a mixed culture include streak plating, loop dilution pour plating.
gram staining, and serial dilution followed by spread plating. Various strategies can be used to isolate bacteria from a mixed culture. Streak plating, loop dilution pour plating, gram staining, and serial dilution followed by spread plating are examples of these procedures. Streak plating is a technique for isolating bacteria colonies by streaking a bacterial sample on an agar plate. Loop dilution pour plating is the process of transferring a tiny amount of bacterial sample into a succession of tubes containing a diluent and then plating out each tube.
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main part of a nerve cell; contains organelles to maintain homeostasis inside each cell. True or False
Main part of a nerve cell contains organelles to maintain homeostasis inside each cell is a true statement.
Like organs and the body, organelles and the cell share a similar relationship. As was already said, organelles do serve extremely specialized purposes that all contribute to preserving cellular homeostasis.
The nerve cell is the fundamental building block of communication in the neurological system (neuron). The cell body, which includes the nucleus, a primary branching fiber (the axon), and countless smaller branching fibers make up each nerve cell (dendrites). The fatty substance known as the myelin sheath surrounds, insulates, and shields the nerves in the brain and spinal cord.
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14. What form of matter includes subatomic particles such as protons, neutrons, and electrons?
15. What form of matter does not react with the strong nuclear force or the electromagnetic force?
16. Why can't we walk through a wall made up of ordinary matter?
17. Could we walk through a wall made up of dark matter? Explain.
Which of the following best describes a limitation of using optical density to quantitate cells in a bacterial culture? a.Samples must be cultured before taking readings leading to a delay in results. b.Exposing cells to UV light can damage their DNA and cause mutations. c.This technique involves lots of pipetting to create the serial dilutions. d.Measurements are easy to take but cannot distinguish live cells from dead cells.
This technique involves lots of pipetting to create the serial dilutions best describes a limitation of using optical density to quantitate cells in a bacterial culture.
What is dilution?
Dilution is the process of making a solution (or mixture) less concentrated by adding more solvent. It is usually done with liquids, such as water, but can also be done with other substances such as solids, gases, or even virtual particles. Dilution is commonly used to adjust the concentration of a solution to a desired level, to dilute acid or base solutions, to reduce toxicity, or to make a solution more suitable for a particular purpose. Dilution can also be used to create a new solution from an existing one. For example, a dilution of a stock solution can be used to create a new working solution with a different concentration or molarity. Dilution is an important part of many laboratory procedures and is the basis of many experiments.
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what structure is highlighted? a histological image showing two large purple blobs with a non-uniform pink and purple mass with large white gaps between them, and all of them are surrounded on the top and bottom sides by two quasi-parallel layers, with another layer present above the top one. the two purple blobs are highlighted.what structure is highlighted? periosteal bone collar skin cartilaginous epiphysis periosteum
The two purple blobs highlighted in the histological image are likely the periosteal bone collar and the cartilaginous epiphysis.
The periosteal bone collar is a layer of dense connective tissue that covers the outer surface of long bones and serves as an attachment for muscles and tendons. The cartilaginous epiphysis is composed of hyaline cartilage and is located at the end of long bones, providing a cushioning effect and making the bone more flexible.
The cartilaginous epiphysis is also important for bone growth. It acts as a cushion between the two ends of the bone, allowing for a more even distribution of stress and strain as the bone grows.
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What is the order of the olfactory nerve pathway?
The pathway can be summed up as follows: olfactory receptor cells. olfactory nerves. olfactory bulb.
Your olfactory nerve is the principal cranial nerve (CN I). This nerve empowers your olfactory framework and feeling of smell. Cranial nerve 1 is the most limited tangible nerve. It begins in your cerebrum and closes in the upper, inside piece of your nose.
From the olfactory bulb, each olfactory parcel runs posteriorly along the olfactory sulcus and finishes in the olfactory trigone. The olfactory trigone is a three-sided broadening of the terminal olfactory parcel found better than the foremost clinoid process and straightforwardly rostral to the front punctured substance.
The olfactory nerve is tangible in nature and starts on the olfactory mucosa in the upper piece of the nasal depression. From the olfactory mucosa, the nerve (really many little nerve fascicles) goes up through the cribriform plate of the ethmoid issue that remains to be worked out in the outer layer of the cerebrum.
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What is the purpose of each class of macromolecules?
Macromolecules are massive molecules that populate cells and provide vital functions for life.
What are the different macromolecules and its function?These are organic molecules with a high molecular weight that are polymeric in nature.
The following are four macromolecules and their functions:
Carbohydrates
Carbohydrates are energy-producing compounds that also serve as structural elements.The nucleic acid
It is a nucleotide polymer that serves as an organism's genetic material.It is in charge of the transmission of genetic material from parents to offspring.Lipids:
Lipids are the primary constituents of bio-membranes and are composed of fatty acids and glycerol.For instance, plasma membranes, nuclear membranes, and so on.When carbohydrates are scarce, they are also used as a substrate for energy production.Some of these lipids also function as hormones.Proteins
Proteins are polymers of amino acids that serve a variety of functions.Enzymes and hormones, for example, are required for immunity and are also responsible for growth and maintenance.To learn more about macromolecules refer to :
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Which of the following is found in RNA but not in DNA?
a. guanine
b. thymine
c. uracil
d. cytosine
e. deoxyribose
Answer: C. Uracil
Explanation:
Option c. uracil is the nucleotide base that is found in RNA but not in DNA. RNA uses uracil instead of thymine, which is present in DNA.
Uracil and thymine are similar in structure but have different functions in RNA and DNA, respectively. RNA is involved in the transfer of genetic information from DNA to proteins, while DNA serves as the primary repository of genetic information in cells. The different nucleotides in RNA and DNA are essential for their Uracil unique functions, and the presence or absence of specific nucleotides helps to distinguish between these two types of genetic molecules.
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Can anyone write Cassandra Alane Mccollum is Binomial nomenclature please? Thank you.
Answer:
h
Explanation:
h
When a tissue from a man is grafted onto a woman it may be rejected by the woman's body. What is the main cause of this rejection? A antibody production B phagocytosis C the action of antibiotics D the presence of a Y chromosome
A, antibody production, is the primary factor in a woman's body rejecting a tissue graft from a guy.
What are antigen and an antibody?Any chemical that causes your body to mount an immunological defence against it is an antigen. Antigens include things like viruses, bacteria, and allergens.When the body recognises antigens, it produces Y-shaped proteins called antibodies. Antibodies are made by immune system cells known as B cells.
What use does an antibody serve?When your body comes into contact with an undesirable chemical, antibodies, proteins, protect you. Your immune system produces antibodies that bind to these foreign substances and expel them from your body. An alternative name for an antibody is immunoglobulin.
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Minerva i uing rate of depoition to etimate the age of ediment depoit in the Mea Verde National Park, Colorado. If the ediment depoit meaure 300 centimeter (approximately 10 feet), how old can he determine the rock i?
Over the first 1km, deposition has averaged 1.4 cm/a. Consequently, the rock is around 214 years old. Sedimentary rocks are formed when the surrounding terrain erodes or degrades.
what is a sedimentary rock ?
The building up or deposition of mineral or organic particles at the Earth's surface, followed by cementation, is the process by which sedimentary rocks are formed. Sedimentation is the general term used to describe the processes that cause the buildup of these particles.The term "sediment" describes the minute soil pieces that degrade. Sedimentary materials include sand, mud, stones, minerals, fossils, and plants.
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The above question is incomplete. The complete question is given below-
Minerva is using rates of deposition to estimate the age of sediment deposit in the Mesa Verde National Park, Colorado. If the sediment deposit measures 300 centimeters (approximately 10 feet), how old can she determine the rock is?
in a blast search how do you know which sequence of dna was closest to your unknown sequence
One may compare your unknown sequence to any other sequences in the database by clicking the "Blast Off" button.
BLAST (basic local alignment search tool) is a bioinformatics method and program that compares fundamental biological sequence information, such as amino acid sequences of proteins or nucleotides of DNA and/or RNA sequences. BLAST discovers comparable sequences by discovering brief matches between two sequences using a heuristic technique. Seeding is the process of discovering related sequences. After the initial match, BLAST starts making local alignments.
Sets of common letters, called as words, are particularly significant when seeking to detect similarities in sequences. Assume the sequence begins with the characters GLKFA and ends with a space. Under normal circumstances, the word size for a BLAST would be three letters. In this scenario, the searched words would be GLK, LKF, and KFA utilizing the supplied stretch of letters. BLAST's heuristic algorithm searches the database for all common three-letter terms between the sequence of interest as well as the hit sequence or sequences.
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Which type of bond is formed when an atom of sodium )ransfers anelectron to an iodine atom?.
Option (A) ionic of bond is formed when an atom of sodium )ransfers anelectron to an iodine atom
Iodide and iodate anions are frequently utilized in quantitative volumetric analysis, such as iodometry. Iodine and starch combine to generate a blue complex, which is frequently used to test for either starch or iodine and as an indication in iodometry. To identify counterfeit banknotes printed on starch-containing paper, the iodine test for starch is still employed.
The iodine value is the amount of iodine used by 100 grams of a chemical compound, usually fats or oils. Iodine values are frequently used to calculate the degree of unsaturation in fatty acids. This unsaturation manifests itself as double bonds that react with iodine compounds.
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Full Question :What type of bond is formed between sodium and iodine in sodium iodide (NaI)? A. ionic B. metallic C. polar covalent D. nonpolar covalent
Which of the following cells is capable of specifically responding to a nearly infinite number of epitopes?
a-B and T cells
b- plasma cells
c-cytotoxic cells
d- all of these
One of the main categories of immune cells made in your thymus are cytotoxic T-cells. Your helper T-cells trigger the cytotoxic T-cells when you are infected. CTLs work to combat the virus. A crucial component of your adaptive immunity are these T-cells. Thus, option C is correct.
What type of cell's posses infinite number of epitopes?The portion of an antigen known as an epitope, also known as an antigenic determinant, is recognized by the immune system, more specifically by antibodies, B cells, or T cells.
For instance, the antigen's epitope is the particular region to which an antibody attaches. A paratope is the portion of an antibody that binds to the epitope.
The portion of an antigen known as an epitope, also known as an antigenic determinant, is recognized by the immune system, more specifically by antibodies, B cells, or T cells. The precise region of the antigen known as the epitope is where an antibody attaches.
Therefore, cytotoxic cells are capable of specifically responding to a nearly infinite number of epitopes.
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One of the main categories of immune cells made in your thymus are cytotoxic T-cells. Your helper T-cells trigger the cytotoxic T-cells when you are infected. CTLs work to combat the virus. A crucial component of your adaptive immunity are these T-cells. Thus, option C is correct.
What type of cell's posses infinite number of epitopes?The portion of an antigen known as an epitope, also known as an antigenic determinant, is recognized by the immune system, more specifically by antibodies, B cells, or T cells.
For instance, the antigen's epitope is the particular region to which an antibody attaches. A paratope is the portion of an antibody that binds to the epitope.
The portion of an antigen known as an epitope, also known as an antigenic determinant, is recognized by the immune system, more specifically by antibodies, B cells, or T cells. The precise region of the antigen known as the epitope is where an antibody attaches.
Therefore, cytotoxic cells are capable of specifically responding to a nearly infinite number of epitopes.
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State one reason why invasive insects are a major problem for agriculture?
What is Hans Selye's general adaptation syndrome?
Answer:
A description of the process of how your body responds to stress.
Explanation:
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What are 3 examples of protozoa?
Three examples of protozoa are: Amoeba, Paramecium, Plasmodium.
define protozoa ?
Protozoa are a diverse group of single-celled organisms that belong to the kingdom Protista. They are characterized by their ability to move and feed independently, which differentiates them from bacteria and other unicellular organisms. Protozoa are found in a variety of environments, including freshwater, saltwater, soil, and the digestive systems of animals. They can be free-living or parasitic, and they play important roles in various ecosystems, including the cycling of nutrients and the maintenance of biodiversity. Some protozoa are also of medical importance, as they can cause diseases in humans, animals, and plants.
Amoeba: a single-celled organism that can change its shape and move by extending pseudopods (false feet).
Paramecium: a single-celled organism that moves using hair-like structures called cilia.
Plasmodium: a parasitic protozoan that causes malaria in humans and is transmitted by the bite of infected mosquitoes.
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What is an example of an insect that displays parental care?
A. Mantis
B. Lacewing
C. Embioptera
D. Stick Insect
Embioptera is an insect which shows parental care. The maternal counterparts in this species show care towards their eggs.
Hence, the correct option is C. Embioptera.
The maternal care in these insects starts with the placement of their eggs. Some of these species attach their batches of the eggs to the web structure along with silk while some of them form the eggs into rows in grooves excavated in the bark.
After the eggs have been hatched, the mothers resume with their gregarious behavior. In some of the species, they continue caring for their young even for several days after they are hatched, and in a few, this parental care also involves the female feeding the nymphs with the portions of chewed-up leaf litter and also other foods.
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Which type of membrane protein would likely be most easily removed in a laboratory experiment?A.Integral proteinsB.Channel proteinsC.Peripheral proteinsD.Transmembrane proteinsE.Gated channels
Peripheral proteins are the type of membrane proteins that would likely be most easily removed in a laboratory experiment. The correct answer is C.
Peripheral proteins are loosely associated with the membrane and can be readily dissociated from the membrane surface by changes in temperature, pH, or detergent treatment.
In contrast, integral proteins are firmly embedded in the lipid bilayer of the membrane and are more difficult to remove. Transmembrane proteins span the entire membrane, while channel proteins and gated channels span only part of the membrane and have a hydrophilic (water-soluble) portion that is exposed to the extracellular fluid or intracellular fluid.
Both integral and transmembrane proteins are more strongly bound to the membrane and would be more challenging to remove in a laboratory experiment.
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the short-leg trait would be transmitted to the next generation of cats through?
The short-leg trait in cats would be transmitted to the next generation through inheritance of genetic material from their parents.
Inheritance of traits is controlled by genes, which are sequences of DNA located on chromosomes. When a cat produces gametes (eggs or sperm), half of its genetic material is passed on to each offspring.
If a cat has the dominant allele for the short-leg trait, it will express this trait and pass it on to its offspring. If two short-leg cats mate, each offspring has a 50-50 chance of inheriting the short-leg trait. If a short-leg cat mates with a cat that does not have the short-leg trait, some of the offspring will have short legs while others will have normal leg length. The specific patterns of inheritance and the frequency of occurrence of the short-leg trait in the offspring will depend on the specific genetics involved.
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the larynx contains .group of answer choicesthe thyroid cartilaglateral cartilage ridges called false
The larynx contains the thyroid cartilage (option A)
The tough, flexible tissue that makes up the front part of the larynx (voice box). It supports and protects the vocal cords and contributes to the sound of a person's voice. The thyroid cartilage also forms the Adam's apple, which appears as a lump on the front of the neck.
The thyroid cartilage is the largest cartilage in the larynx and is made of hyaline cartilage. It is located beneath the hyoid bone, to which it is connected by the thyrohyoid membrane.
At the midline, the thyroid cartilage (Adam's apple) is palpated and followed caudally until a depression and a firm ring of tissue are identified.
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reproduction is not essential for the survival of an individual but it is important for the survival of species.why?
Answer:
if a species stopped reproducing, there will be no offspring to birth children, keeping the species alive. if everyone stopped having children there will be nothing to reproduce, therefore the species goes extinct