Which of the folllowing are efffect of the environmental Change on an entire species

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?