In dna, a purine must always pair with a pyrimidine and vice versa in order to ensure that

What type of genetic drift would be simulated if all the beans that were not selected died out?

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.

What is the most appropriate method of gaining weight (muscle mass)