Answer:
Explanation:
Mutualism - two organisms that benefit from each other
Commensalism - one organism benefits, one isn't harmed
Parasitism - a parasite benefits from and harms a host
Predator-Prey - a predator (animal that kills another for food) kills a prey (the animal it likes to eat) and eats it
Stem cells<span> are a class of undifferentiated </span>cells<span> that are able to differentiate into specialized </span>cell<span> types. Commonly, </span>stem cells<span> come from two main sources: Embryos formed during the blastocyst phase of embryological development (embryonic </span>stem cells<span>) and. Adult tissue (adult </span>stem cells<span>).
hope this helps!</span>
I am not really sure but i think it is hunter-gatherer.
