Biology 6 to 12

Question 29 of 30

DIRECTIONS: Read the question and select the best response.

Which example best illustrates a mechanism consistent with the process of punctuated equilibrium?

Choose an answer

Formation of a polyploid generation leads to a rapid increase of the flower size and seed numbers of a particular species of dandelion.
Slow climatic change causes cold-adapted species to die off as other warm-adapted species migrate into new areas.
Fire kills off most plants in an area and they slowly recolonize the area through succession.
Cyclical drought causes the average leaf size of a species of plant to become smaller for several generations.

Enter to expand or collapse answer.Answer expanded: Correct Response: A.