Which factor is most likely to contribute to the evolution of a species?

a. a stable environment in which members of the species live

b. genetic variation within the species

c. the inability of species members to adapt

d. reproduction difficulties for species members

What type of lipids are found in all biological membranes?

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.