Answer: A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.
Explanation:
As a population of a species increases within a territory, which of the following most likely also increases?
A-immigration
B-carrying capacity
C-food supply
D-competition
Answer:
D) competition
Explanation:
They are going to be competing for their survival.
Hope this helps! :)
With the increase in the population of a species, the competition between them also increases.
How competition affect a population?An association between two or more individuals of the same population or two or more populations in which each negatively influences the other in access to a restricted resources like food, shelter, water, mates, nesting, etc is termed competition.
When the size of a population increases, one can witness more intense competition between the individuals of the population. The influence of competition is generally density-dependent, that is, at greater population density, there is an increase in competition. This will negatively affect the size of the population.
Thus, the correct answer is option D, that is, competition.
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Explain what happened to the birds on Easter Island.
Answer: Soon land birds went extinct and migratory bird numbers were severely reduced, thus spelling an end for Easter Island's forests. Already under intense pressure by the human population for firewood and building material, the forests lost their animal pollinators and seed dispersers with the disappearance of the birds. i hope it helps
Explanation:
How does global warming affect biodiversity?
A)
increasing temperatures mean increased ability to adapt to the changes
B)
increasing temperatures mean increased risk of extinction
C)
increasing temperatures mean increased habitat development
D)
increasing temperatures mean increased sources of food
Hi!
My name is Limited_Legxnd, I'm vary happy to be able to help you today!
The answer to this question would be:
B) Increasing temperatures mean increased risk of extinction
The reason for this is because. When it gets warmer because of global warming it, Kills Animals, Ruins habitat's and much more. Its a big problem in this world, and is caused because of global pollution!
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Global warming affect biodiversity by increasing temperatures mean increased risk of extinction and the correct option is option B.
Global warming has a detrimental impact on biodiversity, primarily increasing the risk of extinction for many species. Rising temperatures disrupt habitats, leading to habitat loss and reduced living space.
Species may struggle to adapt or migrate fast enough to keep up with changing conditions, resulting in range shifts and potential mismatches in ecological interactions.
Additionally, the specific temperature tolerances of many organisms are exceeded, making them vulnerable to heat stress, disease, and other pressures. While some species may exhibit adaptive responses, the overall consequences of global warming on biodiversity are negative, posing significant threats to the intricate web of life on Earth.
Thus, the ideal selection is option B.
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Please help me out this my last day to submit I will give brainliest please
5.explain mastication peristalsis segmentation and the release of hormones and enzymes necessary for digestion
Answer:
Ingestion starts both chemical and mechanical digestion.The digestion process begins with ingestion. The teeth starts the process of digestion by masticating food. Mastication makes easier swallowing and faster chemical breakdown. During mastication, salivary glands secrete saliva to soften the food. Saliva contains the salivary amylase enzyme, which digests carbohydrates, and mucus, which softens food into a bolus.
Peristalsis is a series of wave-like muscle contractions that moves food. Segmentation involves contractions of the circular muscles in the digestive tract, and Mastication breaks down food so that it can go through the oesophagus to the stomach.
Hormones - The hormones released by the pituitary gland are gonadotropins (LH and FSH), growth hormone (GH), thyroid stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), prolactin, antidiuretic hormone and oxytocin.
Enzymes - Amylase, produced in the mouth. It helps break down large starch molecules into smaller sugar molecules.
Pepsin, produced in the stomach. Pepsin helps break down proteins into amino acids.
Trypsin, produced in the pancreas. Trypsin also breaks down proteins.
Pancreatic lipase, produced in the pancreas. It is used to break apart fats.
Explanation:
So we can conclude that,
mastication peristalsis segmentation is
breaking down food in a wave like muscle contractions of the circular muscles in the digestive tract.
Btw I am not really sure about it.
Mark as brainliest!
Answer:
Large food molecules (for example, proteins, lipids, nucleic acids, and starches) must be broken down into sub units that are small enough to be absorbed by the lining of the alimentary canal. This is accomplished by enzymes through hydrolysis. The many enzymes involved in chemical digestion are summarized
Explanation: i hope this helps you. is this correct?
True or False
You can see DNA on a gel because DNA is naturally fluorescent
Answer:
true
Explanation:
Please help me find this answer
This part is used to bring the specimen into sharp focus. This part causes a very small up and down motion when used.
Answer:
Fine focus.
Explanation:
If you're referencing a microscope, then it would be fine focus. Coarse focus is a basic focus used to properly see a specimen, while fine focus enhance clarity and precision. To use both, you have to gently twist a knob until you can see the specimen at a desired clarity.
Here's a reference image if you need it, it's labeled all the parts of a microscope.
The following statements discuss ecological principles. Identify the INCORRECT statement.
(15 points)
a. Populations are randomly scattered throughout the biosphere.
b. As populations in a community interact with one another, they can modify the environment so that it becomes suitable for other species.
c. Interactions that might influence the structure of a community include competition between individuals of the same species in different populations.
d. A population is a group of individuals of the same species living in a specific area at the same time.
Answer:
D
Explanation:
A population is a group of individuals of the same species living in a specific area at the same time.
The statements not discuss ecological principles. A population is a group of individuals of the same species living in a specific area at the same time.
What are the three ecological principles?The most important are of economic sustainability are not motorised or industrial,
But instead are ecological, jovial and financial, where connection matter.
Tus, option "D" is correct.
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which of the following is considered a second-line defense?
A.circuatory
B. digestive
C. nervous
D. respitory
Answer:
B. Digestive
Explanation:
It destroys invaders.
As a population of a species increases within a territory, which of the following most likely also increases?
Answer:
The answer to the question is Habitat
Which of these is not a factor that influences animal growth?
a
availability of food
b
gravitational force
c
genetic information
d
inherited diseases
We can reduce our need for fossil fuels by developing
alternative energy sources.
A. Alternative energy sources
B. Natural gas lines
C. Gasoline-powered cars
D. New oil sources
I will give 5 stars, thanks and brainliest!! :)
The antibiotic needs further testing before it can be licensed for human use.
The first stage is pre-clinical tests using live cells, tissues and animals.
Describe the other stages of drug testing.
Give reasons for each stage. (6 marks)
Answer:
Explanation:
the drugs are first tested through human cells which then many of the substances fail this testThen the drugs are then taken to animals for further testingOnce the test on animals is over, health voluteers then aid scientists or chemists in checking whether the drugs are good for humans or notI REALLY HOPE THIS WAS USEFUL TO YOUThis digestive organ stores bile which is produced by the liver.
Answer:
Gallbladder
Explanation:
The Gallbladder holds bile produced in the liver
True or false
Gel electrophoresis can tell you the sequence of a particular DNA fragment.
The statement 'gel electrophoresis can tell you the sequence of a particular DNA fragment' is FALSE.
Gel electrophoresis is a technique widely used in molecular biology laboratories to separate DNA and proteins on the basis of their molecular sizes.Gel electrophoresis consists in applying an electrical field through a gel that contains many small pores in which DNA fragments migrate.The interval of time required for the migration of these fragments of DNA is proportional to the molecular size.In conclusion, the statement 'gel electrophoresis can tell you the sequence of a particular DNA fragment' is FALSE.
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What substance provides energy or helps form body tissues?
A. Nutrition
B. Nutrient
C. Carbohydrates
D. Proteins
Answer:
D. proteins
Explanation:
Helpp !
How are the lysogenic cycle and lytic cycle similar?
A. Neither cycle requires a virus to enter a host cell.
B. The two cycles take about the same amount of time to finish.
C. Both cycles result in the replication of viruses.
D. Neither cycle can begin in a healthy host cell.
Answer:
C im pretty sure
Answer:
i think its C
Explanation:
Which of the following is NOT a solution to lowering atrazine concentrations in aquatic waterways?
Answer: Increased EPA allowable atrazine concentration
Explanation:
Where is the least amount of energy transferee in a food web ?
Answer:
The least amount of energy is at the very told of the food web.
Explanation:
The very bottom has the most amount of energy! :) Hope I helped
Which of these is NOT something that you need to include in your lab report?
A. your hypothesis
B. the data you collected
C. your step-by-step procedure
D. the intended audience for the report
Answer:
D seems less important so I’m guessing it’s, DExplanation:
Answer:
the answer is d
Explanation:
What is the definition for a scientific theory?
A. an informed explanation that can be tested but is not widely accepted
B. an explanation for something that is frequently adjusted as evidence is collected
C. a widely accepted scientific explanation that may still be adjusted as new evidence is found
D. a scientific explanation that is agreed on by all scientists and is no longer adjusted as new evidence is found
Answer:
B: an explanation for something that is frequently adjusted as evidence is collected
Explanation:
Answer:
B
Explanation:
explain the importance of understanding the process of evolution.
why is it important to study how species evolve over the time and how does this relate to their changing environments?
Answer:
Knowing the evolutionary relationships among species allows scientists to choose appropriate organisms for the study of diseases, such as HIV. Scientists are even using the principles of natural selection to identify new drugs for detecting and treating diseases such as cancer. Environmental change and isolation of groups of organisms play an important role in evolution. Environmental change is any change in an environment to which an organism must adapt. Change can be gradual, such as when mountains or deserts form, other species die out, or new species evolve.
Explanation:
Given the discussion thus far of commensalism and parasitism, would parasitism be an accurate way to describe the relationship between the strangler fig and the cypress tree?
please help me
The relationship between the strangler fig and the cypress tree closely resembles one of parasitism but is not. It is considered commensalism.
Parasitism is when one organism uses another as a host in order to survive, which generated negative impacts for the host, which will usually end in death. The strangler fig uses the tree as a host in order to sustain itself structurally but does not siphon nutrients from the tree or directly kill it, therefore it is not a form of parasitism.
Commensalism is described as a relationship between two organisms, in which the benefits are gained by only one of the members, but neither of the two is harmed in any way.
The relationship between the strangler fig and the cypress tree is best described as commensalism, given that although the strangler fig does eventually cause the tree to die by encircling its roots and not allowing it to grow, it does not kill the tree directly in order to survive.
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- Across
1) This is the distance between the sun and the earth. It is the standard unit for distance within our solar system.
3) This is a group of stars near each other in space that resemble each other in certain ways that suggest a common origin.
5) This is a galaxy consisting of mostly older stars that has no dust lane and is fairly featureless. The shape can range from spherical to highly elongated.
7) This is a galaxy with a characteristic pinwheel shape with a flat disk, central bulge, and graceful arms containing regions where young stars form.
8) This is all matter and energy, including Earth, the galaxies, and the contents of intergalactic space.
9) This is a massive ball of plasma that shines because of thermonuclear fusion in its core.
10) This is the study of celestial bodies and extra-terrestrial phenomena.
- Down
2) This is a galaxy that does not have a regular shape, like a spiral or an elliptical galaxy. The shape of one of these is uncommon and often were once spiral or elliptical galaxies and were deformed by gravitational action.
4) This is the distance that a light travels in 365.25 earth days.
6) This is a massive, gravitationally bound system consisting of stars, interstellar gas and dust, and dark matter.
Answer:
-Across
1) Astronomical Unit
3) Galactic Cluster
5) Elliptical Galaxy
7) Spiral Galaxy
8) Universe
9) Star
10) Astronomy
-Down
2) Irregular Galaxy
4) Light Year
6) Galaxy
Hope this helps ~Brenden
Which structures are common to both plant and animal cells? Check all that apply.
nucleus
cell wall
cell membrane
chloroplast
cytoplasm
mitochondrion
pls helpp
Hello, the correct answer is A) Nucleus, C) Cell membrane, E) Cytoplasm, and lastly F) Mitochondrion.
✨ I will now explain how I got these answers.. ✨
We do know that every cell at least needs a Nucleus, a Cell membrane, a Cytoplasm, and Mitochondrion.
If they didn't have any of these.. They wouldn't be alive.
If you've paid attention, you would know that these are the correct answers.
Hope this helps you all!!
⌨ Have a good day! ⌨
Suppose a female child is affected by hemophilia (xhxh). Determine the likelihood that her father was also affected
by hemophilia. In your answer, be sure to explain your reasoning
Answer:thats sad bro how to write a rational number as a repeating decimalhow to how to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimal to write a rational number as a repeating decimal a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimalhow to write a rational number as a repeating decimal
Explanation:
What is a common trait to all members of the Kingdoms?
O Presence of a cell wall
O Capable of sexual reproduction
O Presence of a nucleus
O Presence of genetic material
Answer:
All have a nucleus
Explanation:
Answer:
the third one
Explanation:
What will most likely happen to the population of moths in this habitat?
The population of moths will eventually become extinct.
The population of light moths will increase due to a selective pressure.
The dark colored moths will experience disruptive selection.
The alleles that determine light and daily color in moths will equalize.
If you give me the chart and or graph this go's with ill be able to answer
Answer:
the population of moths will eventually become extinct
Explanation:
on ed20
Changing states of water requires energy, where does that energy come from?
Answer:
Energy comes from different sources such as oil, coal the wind and the sun.
Answer:different sources such as oil, coal, wind, the sun, water, natural gas and even manure.
Explanation:
Which body system do you find most interesting, and why? Will mark BRAINLIEST!!
Answer:
I find deltas most interesting
Explanation:
the land that separates the 2 streams must eventually wear away so then it becomes an outlet : )
Answer:
The circulatory system
Explanation:
I find it interesting because it is crazy how our body can pumps blood and bring through the body.