Which factor is required for genetic equilibrium?
A. nonrandom mating
B. small population size
C. absence of genetic drift
D. presence of heritable mutations

Which factor is required for genetic equilibrium?

the factor that is required for genetic equilibrium is presence of heritable mutation

Explanation:

the glands which are associated with each description is given below:

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.