Answer:
D. by taking in oxygen and cleaning out waste gases like carbon dioxide.
Explanation:
The respiratory system cleans out your carbon dioxide and replaces it with oxygen.
Answer:
Overproduction, Variation, Selection, and <em>Competition</em>
Answer:
Making a hypotheses and performing experiments
I Hope this helps you uwu
Explanation:
<span>Herbivores posses different digestive system than that of carnivores. In the course of evolution herbivory evolved with a complex digestive tract. There is no cannine teeth for herbivores. The stomach contains billions of bacteria. The intestine is 27 times longer in length than the length of its body.</span>
The answer should be a mixture in which the substances are evenly spread out in biology terms.
