Answer:
No lo sé, pero gracias por los puntos.
Explanation:
Pioneer species. They are the usually the first to grow after an ecosystem has been destroyed(in this case by flood).
Answer:
Nitrogen about 77 percent of the atmosphere is composed of nitrogen
Answer: This is a vertebrate animal with bilateral symmetry which has an endoskeleton. Most reproduce sexually through external fertilization.
Explanation:
I'm Smart
