Nitrogen fixation, the process of making nitrogen usable for living things, happen most in

A) bacteria

B)Plants

C)The ocean

D)Consumers

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

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 strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?