Which of the following contributes to maintaining the temperature on earth? a. unequal heating of earth’s surface. b. loss of heat to space. c. radiation of sunlight back into the atmosphere. d. greenhouse effect.

According to the cladogram, which organisms have roundworms as a common ancestor?

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12