Which is the only mechanism that can introduce new alleles in a gene pool?

a. genetic drift
b. random mating
c. mutation

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

What was photo 51 with rosalind franklin?

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root