5. Which of the following is NOT true about a recessive gene trait?
A. It is expressed when the genotype is heterozygous.
B. It can be masked by a dominant gene trait.
C. It is expressed only when a dominant gene isn't present.
D. It can be expressed when the genotype is homozygous.

The largest unit within which gene flow can readily occur is a

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.

Which process provides environments that are conducive for marine ecosystems? is a process that causes the dense, nutrient-rich cold water to rise up to the surface.