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Alina [70]
3 years ago
11

Please help ASAP Will give brainliest

Biology
1 answer:
Bezzdna [24]3 years ago
3 0
<h3>B. contraction of muscles.</h3>

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PLEASE HELP meeeeeeeeeee
juin [17]

Answer:

the picture is blurry

Explanation:

i cant see it fully

3 0
3 years ago
Which molecule is secreted from the peritubular capillary network into the convoluted tubules?
kow [346]
The correct answer is  H+.
<span>Secretion from the peritubular capillary network into the convoluted tubules is a process called tubular secretion. This is an important process for both waste removal and acid-base balance. The secretion step is usually used to remove drugs, toxins, and poisons, or other molecules such as potassium (K+) and hydrogen (H+). The secreted molecules come from the peritubular capillaries and pass through the interstitial fluid before going through the wall of the tubule into the lumen of the tubule.</span>
7 0
3 years ago
6. species Closely related of orchids never mate in the wild because they bloom at different times. This is an example of ______
Dimas [21]

Answer:

temporal reproductive isolation

Explanation:

The correct answer would be temporal reproductive isolation.

<u>Reproductive isolation</u> generally refers to series of biological mechanisms or processes that prevent members of different species from mating/fertilization or prevent the product of their mating to be invalid.

Some reproductive isolation processes prevent members of different species from mating or prevent fertilization as a result of mating. These processes are known as pre-zygotic reproductive isolation mechanisms.

Some other processes ensure that the product of fertilization (when it occurs) is invalid. These are known as post-zygotic isolation mechanisms.

<em>A good example of the pre-zygotic reproductive isolation process is </em><em>when closely related by different species bloom at different times</em><em>. This will prevent mating or cross-pollination to happen between the different species. This is known as temporal reproductive isolation.</em>

5 0
2 years ago
What is genetic variation?
cluponka [151]
Each population of a species have different genes.
3 0
3 years ago
Read 2 more answers
What the job of tendons
andrew11 [14]
The job of the tendons is to connect the muscle to the bone. I hope this helps
6 0
3 years ago
Read 2 more answers
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