Which solution would most likely cause s plant it to become firmer and more rigid

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?