Read each example and identify it with one of the mechanisms that influence gene pools. A zebra migrates to join a different herd of zebras. Competition for sunlight leads to taller trees. The DNA of a snake changes to make its venom stronger. A grassfire randomly sweeps through a population of buffalo and kills most of the animals.
Answer
Selection 1:
gene flow
Selection 2:
natural selection
Selection 3:
mutation
Selection 4:
genetic drift

Question

Read each example and identify it with one of the mechanisms that influence gene pools. A zebra migrates to join a different herd of zebras. Competition for sunlight leads to taller trees. The DNA of a snake changes to make its venom stronger. A grassfire randomly sweeps through a population of buffalo and kills most of the animals.

Answer

Selection 1:

gene flow

Selection 2:

natural selection

Selection 3:

mutation

Selection 4:

genetic drift

Revolt · Accepted Answer

gene flow; Selection 1: gene flow; Selection 2: natural selection; Selection 3: mutation; Selection 4: genetic drift