One of the conditions required to maintain genetic equilibrium is?
a. natural selection.
b. mutations.
c. nonrandom mating.
d. no immigration or emigration.

One of the largest seafood exporters to the united states is a. china b. brazil c. mexico d. saudi arabia

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms