Answer:
Female Sharks Say Be Gone
Explanation:
Female sharks can reproduce without having sex, scientists have found. A female hammerhead shark has given birth without mating with a male and its offspring has no paternal DNA. This is the first scientific report of asexual reproduction in sharks.
what body system can be linked with the endocrine, nervous, and reproductive systems?
Answer:
the nervous system
Explanation:
What part of the cell is responsible for making proteins?
Explain why a dead tree would still be a biotic factor, even though it is no longer alive.
Answer:
I think it's because it will decay and be soil and soil is biotic factor
A dead tree would still be a biotic factor, even though it is no longer alive because biotic factors include living organisms and the remains of the living organisms.
What are biotic factors?Biotic factors are those factors that are living and growing and reproducing. The living organism that were once lived are also comes sunder biotic factors.
A dead tree mean a dried tree that still has wood and dry leave. The wood will decompose or will use in burning purpose. The dead tree will still consider as a biotic factor because it was once alive.
Thus, Even if it is no longer alive, a dead tree would still count as a biotic factor because biotic factors comprise both living species and their remains.
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I need help ASAP !!!
Answer:
All different types of organisms. :)
The Florida Everglades is a large, warm wetland with many plants, animals, and microscopic organisms. Which part of the Earth system includes the water in the Everglades?
Group of answer choices
a.the atmosphere
b.the hydrosphere
c.the cryosphere
d.the geosphere
Answer: B. The hydrosphere
Explanation:
Hydrosphere means “all the waters on the earth’s surface...” so even the waters in the Everglades would be included. Hope this helps!
The Hydrosphere is the part of the Earth system that includes the water in the Everglades. Thus, the correct option is B.
What is a Hydrosphere?A Hydrosphere may be characterized as the combination of water and its derivative forms present around the Earth's planet.
The hydrosphere represents all the sources of water available worldwide such as in lakes and streams, subsurface water, the ice of glaciers, and water vapor on the earth's planet.
It is the region of the whole earth that significantly comprises all source of water and its derivatives compounds like water vapor, ice (solid form), etc.
So, the wetland of Florida, i.e. Everglades is also includes the hydrosphere part of the Earth system.
Therefore, the Hydrosphere is the part of the Earth system that includes the water in the Everglades. Thus, the correct option is B.
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How do the geography and geographical features of your area affect the temperature?
Answer:
An area's latitude on the surface of the Earth affects the weather because it changes the intensity of the sun's light that the area receives. Things like mountains affect the weather by directing air currents, which can send storms to you, or keep them away. If you live in a place with lots of vegetation, it will be more humid, and warmer, because the plants retain the heat.
Chemical digestion in the stomach is aided by what? mucus saliva hydrochloric acid enzymes
Need help on 8 and 9 HURRY PLZ
What role does cellular respiration play in the carbon cycle?
Answer:
It plays a vital role in the carbon cycle because it releases carbon dioxide into the atmosphere.
Explanation:
Science.
Answer:
C) It releases CO2 to the atmosphere during acetyl CoA formation
Explanation:
Just took the test.
Identify two major on marine ecosystems that are caused by human
Answer:
two major things is pollution and overfishing.
Explanation:
hope this helps
As organisms release energy during cellular respiration, carbon dioxide is produced from the carbon in energy storage molecules.
True Or False?
Answer:
I believe this is true.
Explanation:
Organisms classified as fungi and plants have several similar characteristics. Which of the following are shared characteristics of both fungi and plants?
I. autotrophic
II. eukaryotic cells with a cell wall
II. multicellular organisms
A. I only
B. Ill only
C. I,II, and III
D. Il and III
Answer:
I think it is D
Explanation:
Plants are all of the above (I,II,III) but fungi are heterotrophic, but other than that they have a cell wall in their eukaryotic cells and are multicellular, so it is most likely D.
Which of the above mammals are The most closely related to each other
Manatee and sea lion
Dolphin and manatee
Dolphin and whale
Manatee and whale
Which planets have evidence of water on the surface? Select two options.
Answer:
mars and earth
Explanation:
Answer:
The two planets that have evidence of water on the surface is Earth and mars.
Explanation:
Earth because we live there and we know there is water so obviously.
Mars because recently it was discovered that there was water in solid form inside of polar ice caps.
which of these work together in a feedback loop?
A. Thyroid and parathyroid gland
B. Hypothalamus and pituitary gland
C. Adrenal and pineal gland
D. Ovaries and salivary gland
B. Hypothalamus and pituitary gland
A number of compounds in the atmosphere have the effect of warming the Earth's surface.
Scientists have found that recent increases in the abundance of the compound______
recent global warming trends.
in the atmosphere have been the most important factor in causing recent global warming tends.
Carbon dioxide
Carbon dioxide is the fourth most abundant gas in the atmosphere (after nitrogen, oxygen, and argon) with a concentration of about 0.036 percent
EASY QUESTION BRAINLIEST!!!
Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. Which of the following best describes a challenge in classifying organisms this way?
A) There are millions of species on Earth, and a cladogram is not a practical means for classifying all of them.
B) It is impossible to tell which organisms are most closely related to each other using a cladogram.
C) Cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships.
D)There is a limited number of ways to organize the information, so most cladograms end up looking very similar.
DON'T TAKE AN ANSWER FROM ONLINE. I WILL CHECK
C) Cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships.
Hope this helps..
Answer:
C) Cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships.
Explanation:
Cladograms are not necessarily helpful because sometimes organisms with similar characteristics can emerge based on environmental factors and not necessarily from the same ancestors. This is the idea of convergent evolution where two species can have same characteristics but are not related at all and since, cladograms are based on depicting evolutionary relationship based on similar characteristics, it fails to take into account the effects of convergent evolution where same characteristics does not necessarily mean same ancestor.
Cladogram is not an evolutionary tree so it does not show an evolutionary relationship or kinship among ancestors and descendants
Does that make sense?
Which of the following is an anaerobic process
A. Glycolysis
B. Electron
C. Fermentation
D. Kreb’s Cycle
Answer:
A.
Explanation:
anaerobic glycolysis. Anaerobic glycolysis is the process by which the normal pathway of glycolysis is routed to produce lactate. It occurs at times when energy is required in the absence of oxygen. ... In order to regenerate NAD, the enzyme lactate dehydrogenase converts pyruvate to lactate.
between species within a(n)———
or habitat.
Answer:
Between species within an ecosystem or habitat.
Answer:
ecosystem
Explanation:
What is the type of allele that only affects the phenotype in the homozygous condition?
Describe the arrangement of water particles in each state.
Answer:
Make sure to attach an image
Explanation:
Click the paperclip and attach an image.
Hope this helps!!!
After which event would you say that evolution has occurred?
(A)
An animal's white winter coat is replaced by a darker coat in the spring.
(B)
An allele frequency in a population changes over time.
(C)
A new predator comes into an environment
(D)
An individual is born with six fingers on one hand instead of five.
Answer:
I believe the answer is B. because once the allele changes the future populations will change along with it
Explanation:
Answer:
B
Explanation:
describe the role of the immune system in fighting disease
Answer:
The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins.
Which qualities should an experiment have to be replicable and valid? Check all that apply.
Answer:
A
Explanation:
I did it on edg
Here are four options that would ensure an experiment is replicable and valid: Control group, Randomization, Double-blind design, Replication that are present in option A, B, C, and D.
What is an experiment?Replicability and validity are important concepts in experimental research. Replicability refers to the ability to repeat an experiment using the same methods and obtain similar results. Validity refers to the extent to which an experiment measures what it is intended to measure. To ensure that an experiment is replicable and valid, researchers must take several steps. One important step is to include a control group in the experiment. A control group is a group of participants that does not receive any treatment or intervention.
Hence, here are four options that would ensure an experiment is replicable and valid: Control group, Randomization, Double-blind design, Replication that are present in option A, B, C, and D.
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complete question is below
Which qualities should an experiment have to be replicable and valid? Check all that apply.
A.Control group
B.Randomization
C.Double-blind design
D.Replication
What might explain the real-world results, show in
the graph to the right, for one class of twenty
students? Check all that apply.
Fourteen people were immune at the
beginning
Noninfected individuals never came into
contact with infected individuals.
A few people were immune at the beginning,
and other people never came into contact
with the disease.
The people who became sick got better
before they could pass on the disease.
Answer:
A.Fourteen people were immune at the beginning.
C.A few people were immune at the beginning, and other people never came into contact with the disease.
D.The people who became sick got better before they could pass on the disease.
Explanation:
Answer:
Yes! The correct answers are:
A.) Fourteen people were immune at the beginning.
C.) A few people were immune at the beginning, and other people never came into contact with the disease.
D.) The people who became sick got better before they could pass on the disease.
Explanation:
i did the assignment and got it correct.
_____ algae are important in the formation of coral reefs.
Brown
Fire
Golden-brown
Red
Answer: D; red algae
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Which of the following best describes meiosis?
It is carried out in all tissues that require cell replacement
It occurs only in cells in the reproductive structures of an organism
It happens in all of the tissues except the brain and spinal cord
It is the first stage of mitosis
Answer:
It occurs only in cells in the reproductive structures of organisms.
Explanation:
Meiosis only occurs in the reproductive cells, producing gametes with half of the genetic information as the parent cell.
Meiosis can be best described as the event which occurs only in the cells which are the part of reproductive structures in an organism. Thus, the correct option is B.
What is Meiosis?
Meiosis is a type of cell division which occurs in sexually reproducing organisms. It is also known as reductional division as in this division, the chromosomal number is reduced to half. This division is responsible for introducing genetic variations in a population.
Meiosis is a type of cell division which occurs in the sexually reproducing organisms. This division is responsible for reducing the number of chromosomes in the gametes or sex cells such as eggs and sperms by half. In humans, normal body cells or somatic cells are diploid in nature. These cells contain two sets of chromosomes i.e., one from each parent.
Therefore, the correct option is B.
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Which of the following causes the movement of the Earth’s atmosphere?
A)
the Earth’s rotation
B)
the differential heating of the Earth’s surface
C)
the differential heating of the Earth’s atmosphere
D)
all of the above
Answer:
D.
Explanation:
All of these factors cause movements of the Earth's atmosphere. D is the correct answer.
Answer:
D) All of the above
Explanation:
A genomic sequencing method called _______ sequencing was used in the human genome project. In this method, DNA is broken into many small fragments and the fragments are sequenced, then computers help reassemble the fragments into the larger DNA sequence
Answer:
Shotgun Sequencing
Explanation:
Shotgun sequencing is a laboratory technique for determining the DNA sequence of an organism's genome. The method involves breaking the genome into a collection of small DNA fragments that are sequenced individually. A computer program looks for overlaps in the DNA sequences and uses them to place the individual fragments in their correct order to reconstitute the genome.
Answer:
1. shotgun
2. inbreeding
3. cloning
4. Y chromosomes
5. The Human Genome Project sought to map a human's entire genome.
6. Inbreeding is a type of selective breeding that occurs when individuals with similar characteristics continue to be bred in an attempt to keep a certain set of traits. However, inbred organisms are genetically similar, and the probability that members of the population will receive mutated alleles leading to disorders is high.
7. Since no two humans have the same DNA, except for identical twins, forensics can take advantage of this fact by using DNA fingerprinting to solve crimes, convict wrongdoers, or overturn unjust convictions.
Explanation:
Unit 2 Short Answer Question (Do NOT leave blank): Use the following words to fill in the blanks: transcription, dairy products, enzymes, proteins, repressor, rna polymerase, lactose intolerant, lactase, operator, ecoli, transcribe, bases, repressor, operator.
An example of prokaryotic gene expression is the lac operon. When a person is 1)____________, they do not produce the enzyme 2)___________, which aids in the digestion of lactose, the sugar found in 3)______________. If a person who is lactose intolerant eats or drinks a dairy product, lactose travels down the digestive tract into the large intestine, where the genes in the bacteria, 4)__________ , are turned on to create the 5)_______ / 6)________ needed to digest the lactose. In E.Coli, when lactose is present, it acts as an inducer and binds to the 7)____________ protein, keeping it from attaching to the 8)___________. 9)_____________ then is able to attach to and 10)___________ the E.Coli gene by matching up the 11)______. When lactose is NOT present, the 12)____________ protein binds to the 13___________ and transcription is blocked. This is an example of gene expression (production of proteins) being controlled at 14)_____________.
Answer:
1. lactose intolerant
2. lactase
3. dairy products
4. E.coli
5. enzymes
6. proteins
7. repressor
8. operator
9. RNA polymerase
10. transcribe
11. bases
12. repressor
13. operator
14. transcription
Explanation:
Lac operon is good example of prokaryotic gene regulation. The lactose operon or lac operon is a type of operon which is use to transport and metabolize the lactose in E.coli and other bacteria. The lac operon is made up of three important components including promoter, an operator, and three genes that encode the enzymes required for lactose digestion.
A person who is lactose intolerant is unable to produce the enzyme lactase, which helps in the digestion of sugar generally present in dairy products. The lac operon is regulated by lactose in the environment.
So, when lactose intolerant people consume dairy products, the gens in bacteria E.coli present in the large intestine, turn on to produce enzyme or proteins required to digest the lactose.
When lactose is present, lac operon in E.coli, acts as an inducer and binds to the repressor protein which prevent it binding to the operator. RNA polymerase the binds to the promoter and transcribe the E.Coli gene by matching the base pair or bases.
When lactose is absent, repressor protein is allow to bind to the operator and inhibit the transcription process in E.Coli. The whole process is regulated during transcription in prokaryotes that involves lac operon.
Hence, the correct words for the blanks are as following:
1. lactose intolerant
2. lactase
3. dairy products
4. E.coli
5. enzymes
6. proteins
7. repressor
8. operator
9. RNA polymerase
10. transcribe
11. bases
12. repressor
13. operator
14. transcription