Which phrase best defines a food chain? a. the sum of all actual feeding relationships in an ecosystem b. a single pathway of feeding in an ecosystem c. the ecological term applied to plants and other photosynthetic organisms that produce glucose d. organisms that eat other organisms

answer; the correct answer is desert plants;

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.