Which of the following describes how different species depend on one another in a natural environment?
a. non-native kudzu out-compete native plants in the eastern united states.
b. giant african snails imported as pets damage native plants and crops in hawaii.
c. grasslands in the california floristic province have been converted into housing projects, shopping centers, and roads.
d. acacia trees of central and south america provide shelter for stinging ants, while the stinging ants snip surrounding plants that grow too close.