Oxygen was initially created in earth's atmosphere by

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

What must be done to breed dogs for a partical trait