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MakcuM [25]
3 years ago
8

Do all vertebrates have ear-like structures to hear

Biology
1 answer:
Dmitrij [34]3 years ago
3 0
No, fish and snakes do not have ears
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When a person is cut, the injured tissue initially releases chemical signals into the bloodstream. These chemicals signal platel
guajiro [1.7K]

Answer:

Platelets would release signals to stimulate the production of more platelets

Explanation:

Positive feedback mechanism is one of the two types of feedback mechanisms (other being negative feedback mechanism) in which the products of a process stimulates more of that product to be synthesized or produced. In other words, the result of a reaction increases the secretion of more results.

In this case where the injured tissue of a cut initially releases chemical signals into the bloodstream. These chemicals signal platelets to be attracted to the injured area. However, if this is a positive feedback mechanism as explained above, Platelets would release signals to stimulate the production of more platelets.

4 0
3 years ago
Which part of the nervous system is considered the control center of the body?
pantera1 [17]

Answer:

2 because the central nervous system includes the brain, cerebellum, cerebrum, brain stem, etc.

8 0
3 years ago
How long does a lunar eclipse last?<br><br> Months<br> Minutes<br> Days<br> Weeks
Sergio039 [100]
A lunar eclipse can last for a couple of hours and some minutes
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3 years ago
In what explicit way did Eye of the Storm include reader participation?
Soloha48 [4]

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encouraging to post comments

Explanation:

3 0
3 years ago
a type of blindness, occurs in humans and is due to a dominant allele, A. Normal vision is due to the allele, a. Migraine headac
Scorpion4ik [409]

Answer:

The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.

Explanation:

The aniridia allele in females has to be in the XAXA or XAXa form to be expressed but in males, can be expressed when genotype is XAY.

Migraine headaches allele in females has to be in the XMXM or XMXm form to be expressed but in males, can be expressed when genotype is XMY.

A man with normal vision and without migraines (XaY/XmY) had a father who had aniridia (XAY).

The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.

5 0
3 years ago
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