Ecosystems need producers because they are the start of the food chain.
Producers are consumed by first consumers, the second consumers and so on.
Answer:
characteristics variety domesticated then crossbreed hope this helps.
Explanation:
i know a lot
2. The evolutionary process through which new species emerge
Depends, if the biotic factor is a chipmunk or something of that case, its natural habitat is a rock, which is biotic. but...if the animal is something like a deer they don't need abiotic factors. its your chose to chose but I'm leaning more twords false because not ALL biotic factors cant go without an abiotic factor
4, but only one makes it, the rest are called polar bodies.
