When two extreme phenotypes are crossed and all of the progeny have an intermediate phenotype, what might be the cause? 1: complete dominance of one trait over another 2: incomplete dominance 3: codominance 4: sex linkage

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?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Which animal is a producer in this ecosystem