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Ymorist [56]
3 years ago
15

Dolphins emit high frequency sounds which bounce off objects in their environment. These reflected sounds help them to locate fo

od, predators, and other dolphins. Where have human beings used technology in a similar manner?
Biology
2 answers:
Nimfa-mama [501]3 years ago
7 0
<span>Ultrasound instruments that are used to create images of internal organs.</span>
REY [17]3 years ago
6 0
Ever wonder what that beeping noise is on a Submarine? That's the sound that people use to bounce off walls and stuff. 

This is called sonar detection. It enables us to tell where things are in the water like a Dolphin!
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m_a_m_a [10]

Answer:Mercury, Venus, Earth, and Mars

Explanation:

4 0
2 years ago
What is not true regarding fenestrated capillaries?
dangina [55]

The question is incomplete. The complete question is as follows:

Which of the following is not true regarding fenestrated capillaries?

A) Fenestrated capillaries in endocrine organs allow hormones rapid entry into the blood.

B) Fenestrated capillaries in the small intestine receive nutrients from digested food.

C) Fenestrated capillaries are essential for filtration of blood plasma in the kidney.

D) Fenestrated capillaries form the blood-brain barrier.

Answer:

Fenestrated capillaries form the blood-brain barrier.

Explanation:

The fenesterated capillaries are small fine thin capillaries that helps in the exchange of substances. These capillaries are mainly found in the kidney, small intestine and glands.

The fenestrted capillaries allow the exchnage of hormone in the blood and in the kidney for the filtration. The nutrients can be easily exchanged by the capillaries present in the small intestine. The blood brain barrier function is not performed by the fenesterated capillaries. They allows the rapid exchange function and not as the barrier.

Thus, the correct answer is option (D).

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3 years ago
Explain why the tetraphenylcyclopentadienone is in deep purple color? Explain why the tetraphenylcyclopentadienone is in deep pu
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3 years ago
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Damm [24]
In this case, c) mimicry is the answer. In Batesian mimicry in which harmless animals mimic toxic animals. In this case, I assume the milk snake is harmless and the coral snake is venomous. Since the milk snake has a trait similar to deadly coral snake, less animals would eat it thinking it is dangerous. Over time all the milk snake that look like the deadly coral snake would survive leading to evolution by natural selection. This would lead to more and more milk snake mimicking the resemblance of the deadly coral snake.

a) The deadly coral snake has a warning color adaptive radiation. If the question had described the environment and how the snaked adapted to the environment via warning coloration. This would've been correct.

b) cryptic coloration is more about camouflage with the environment. If the question had state how a certain feature help one of the animals blend into the background. This would've been correct.

d) I'm not sure whats different between this and a so i'll consider them both the same.

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