Fewer dark moths should survive.
Numbers of dark and light moths won't change due to stabilizing selection.
Genetic mutations will be reversed.
More light-gray moths should survive.
Fewer dark moths should survive, and more light-gray moths should survive.
Developed the resistance in response to the pesticide.
Mutated when exposed to the pesticide.
Inherited genes that made it resistant to the pesticide.
Provides an example of pest resurgence.
None of these.
Natural selection of forms that expressed genes for resistance.
The high biotic potential of insects.
A naturally occurring example of inheritance of acquired characteristics.
Mutation induced by DDT.
The dioecious condition.
A primary sexual characteristic.
Males live longer than females.
Predators of the sea lions favor males.
Males compete to mate with females.
Each male must protect the one female with which he mates.
Males share in parenting the offspring.
Larger individual, no matter the species.
More colorful individual.
Gene flow increases.
Population size decreases.
Mutation rate decreases.
The number of heterozygous loci increases.
Random mating increases.
There are more environments in Europe.
The North American population is derived from a small founder population.
There is more gene flow in Europe.
There is less mutation in North America.
There is less habitat fragmentation in Europe.
The bottleneck effect.
The founder principle.
All of these
Makes adjacent populations more similar.
Acts to prevent speciation.
Is a microevolutionary process.
Counteracts the effects of mutation, natural selection, and genetic drift.
All of these