What did the extinction of the dinosaurs lead to? a. the evolution of mammalsb the collision of a comet with earth

Give the biological term for: structures that display characteristics of living organisms only within living cells

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false