One way to describe a species is as a population adapted to a certain niche. that population has a small gene pool. if the members of different species could interbreed with each other, too much genetic variability would occur in that gene pool. too much genetic variability would

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.

20 how are energy cycles and growth cycles related?