They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection
Answer:
Neanderthals
Explanation:
Homo sapiens encountered neanderthals in europe and had offspring.
Answer:
The only organism that doesn't eat prey is prob scavengers, because scavengers eat dead organisms, so I don't rlly think dead organisms are preys :3
Explanation:
:3
<u><em>Species</em></u> is the category that can mate and produce fertile offspring.