Blood leaves the heart through the pulmonic valve.
Answer:
the answer is a because i know this.
Explanation:
Answer:
Adaptation
Explanation:
Natural selection can be described as a situation whereby a particular organism is found to dominate a particular place or area after a certain period of time. This is possible due to some favorable factors that help the organism to dominate. The factors include way or rate of reproduction or ability to hide from prey.
Another topic that resemble natural selection is adaptation. An organism that is capable of surviving in its environment will automatically found to be the dominant organism in the place.
<span>they enter an electron transport chain</span>