PLEASE HELP ME!! These notes were taken during a class about biological evolution, but the subject title is missing.

-results from immigration
-new genes brought into a population
-variation in a population increases

What do the notes describe?
gene flow
natural selection
genetic drift
mutation

As soon as possible this assignment is due in 5 minutes atoms in a molecule are bonded together by sharing, gaining, or a. photons b. protons c. neutrons d. energy f. electrons

When organisms convert from of energy, what usually results

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.