Caddisfly larvae prefer to live in clean, clear water. Thus, the presence of these larvae can be used to determine the stream's... A. flow rate. B. water quality. C. concentration of dissolved oxygen. D. biodiversity.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm

What are 3 reasons that natural selection occurs