Genetic drift in a population affects the gene pool in which of the following ways?

-decrease in genetic variation

-increase in genetic variation

-increased mutations

-decreased gene flow

What brain regions make up the brainstem?

Which mrna processing event adds stability to the mrna?

Give 2 ways the barn owl is suited for catching small animals

Consider the gravity of the four spheres. If we wanted sphere C to attract the other three spheres seen here, what is one feature of sphere C we must change?

The zebra mussel arrived in the United States in 1985 on the ballast of a ship. Since this time, it has spread rapidly throughout the waterways of the eastern U. S. and parts of Canada.

All living things are made of cells. What might be a major difference between cells that are found in human skin and human nerve cells?

I live in wet land, I respire through roots

What do scientist think causes the movement of earth's plate?

If a normal human cell has 46 chromosomes how many chromosomes will it's daughter cell have?

Differentiate between sexual and asexual reproduction