How many chromosomes would be in a sperm or egg cell?

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

Match each term to its best definition? sedimentary depositional enviornment

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale