Populations of two species of grasshoppers are introduced to a meadow ecosystem. Each species is adapted to eat grass and similar plants of the meadow, and they fill the same niche. According to Darwin’s ideas about competition, which of the following changes is most likely to occur? A. Only one population will thrive in the meadow; the other population will decrease to zero.
B. Either both populations will thrive in the meadow or neither population will thrive there.
C. Both populations will eventually remain constant at the same nonzero number.
D. Both populations will eventually remain constant, but at different nonzero numbers.