The correct answer is <span>D. circulatory, respiratory, nervous, endocrine
The other systems mentioned in the first three examples don't maintain oxygen levels at that body strain level.</span>
Answer:
Can you restate your question. That is way to broad
Explanation:
The cell theory consists of the rule that all living things must contain cells. The stuffed animal (since it is nonliving) has no cells. More evidence to prove this is that the stuffed animal comes from a manufacturer not other cells.
It is with sperm and eggs, which are housed in spores in both species, so I’d say spores is the safest answer.
This is the work of Justin cottle not mine