What is the third ,fifth and sixth colour of the rainbow

What is thought to have caused the mass extinction at the end of the cretaceous period?

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.

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure