BIOLOGY MIDDLE SCHOOL

.   A species of moth has evolved a very long tongue to reach nectar at the bottom of a species of orchid. This orchid has evolved a long nectar tube, so that moths feeding on its nectar contact its pollen, helping it to reproduce. This is an example of        A. coevolution.  B. independent evolution.  C. chemical evolution.  D. predatory evolution. ​

Answers

Answer 1
Answer:

This is an example of co-evolution.

Co-evolution is when species influence each other in their evolution.


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HIGH SCHOOL

Identify the branch of biological science that studies the external and internal structure of the body and the physical relationship among body parts.

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This branch of science is known as anatomy.


  hope it helps u....
HIGH SCHOOL

Why does agar change colour?

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MICROBIOLOGY,  color change on agar plate, do colonies change color or does the agar change color? each sets of colonies are generally yellow-colored and also keep on being chicken..M) MacConkey has microorganisms, even so the agar stay."
HIGH SCHOOL

If you have a chronic health condition what should you do before starting a new activity

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You should consult your doctor to see if there are any special precautions you should take. You may have to adjust your medication, wear protective gear, etc.
COLLEGE

On which bone does Jugular Foramen occurs?

Answers

Answer:

The petrous temporal bone

Explanation:

Jugular Foramen is a cavity or aperture which is formed at the junction of two bones of the skull. Jugular Foramen occurs at the junction of the occipital bone and petrous temporal bone. The petrous temporal bone has carotid foramen. The Jugular Foramen is located posterior to the carotid foramen but anterior to the occipital bone of the skull.

MIDDLE SCHOOL

A small horse has the same amount of kinetic energy as a larger horse moving at the same speed

Answers

Yes, because the speed is the same even if the body mass index is different.
Yes I agree that the kinetic energy is the same but the small horse could never run at the same speed as the larger horse due to the body structure
HIGH SCHOOL

Why are producers found at the bottom of the energy pyramid

Answers

Any type of green plant can be a producer and they are found at the bottom of the energy pyramid.

What do you mean by producers?

Green plants obtain their sustenance by absorbing sunlight and converting it to sugar. This sugar, also known as glucose, is used by the plant to generate a variety of products, including wood, leaves, roots, and bark, and these are called producers in the ecosystem.

Because they can convert the sun's energy into a substantial amount of plant energy through photosynthesis, producers are at the bottom of the pyramid. Most food chains and food webs rely on producers for their energy. The next level is made up of animals that devour plants.

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Producers are found at the bottom of the energy pyramid because they take in the sun's energy and convert it to large amounts of plant energy.Therefore, animals on the next level will gain energy from eating the plants directly and then the energy will continue to pass on from level to level as the food chain continues.
HIGH SCHOOL

Which combination of features is found in most plant and animal cells? #1 Cytoplasm, mitochondria, ribosomes #2 Rough endoplasmic reticulum, nucleus, centrioles #3 Plastids, cytoplasm, nucleus #4 Plasma membrane, lysosome, Golgi apparatus

Answers

#4Plasma membrane, lysosome, Golgi apparatus becuase the mitochandria is in plants, and the centroles is in animals
 
COLLEGE

Normally, activity of the hypothalamic-pituitary-adrenal axis is regulated by a feedback loop that reduces the release of cortisol. what is the order of signaling by which this reduction takes place? a. ​hypothalamus to hippocampus to adrenal glands
b. ​hippocampus to pituitary gland to adrenal glands
c. ​hypothalamus to pituitary gland to adrenal glands
d. ​hippocampus to hypothalamus to adrenal glands

Answers

The correct answer is c. ​hypothalamus to pituitary gland to adrenal glands.

When it comes to stress, hypothalamus-pituitary-adrenal axis (HPA) is responsible for stress response. Hypothalamus releases corticotropin-releasing hormone (CRH) which binds to its receptors on the anterior pituitary gland. As a result, adrenocorticotropic hormone (ACTH) is released and it stimulates the release of cortisol from the adrenal gland. At a certain levels of cortisol, this steroid hormone exerts negative feedback to the hypothalamic release of CRH.
HIGH SCHOOL

Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely: A. reject the hypothesis right away.
B. change the hypothesis to fit their own findings.
C. design new experiments to test the proposed hypothesis.
D. assume that the hypothesis is true for all viruses.

Answers

As for this problem, the most probable and the most likely to be the answer would be C. design new experiments to test the proposed hypothesis.

This has always been what the scientists and researchers have been doing, proving and disproving hypothesis, theories, and even established facts, but only for those facts that either they have a personal argument of it or of which they believe isn't supposed to be. Though some might reject the hypothesis right away, they couldn't claim it since they would be asked to show their evidences and side of argument. Changing the hypothesis to fir their own findings would be just entirely out of the picture and assuming that the hypothesis is true for all viruses would be not likely to be done by a scientist or a researcher.
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