Dandelions in a lawn that is mowed have short flower stalks, whereas those in a field have tall flower stocks. This illustrates
A) convergent evolution.
B) natural selection.
C) artificial mutation.
D) artificial selection.
E) inheritance of acquired characteristics.

Question

Quizplus · Accepted Answer

Dandelions in a lawn have short flower stalks because those with longer stalks are more likely to be cut by the mower, thus selecting for dandelions that can reproduce at a shorter height. This is an example of natural selection, where environmental pressures influence which traits are more favorable for survival and reproduction.

Dandelions in a Lawn That Is Mowed Have Short Flower