Why do heterotrophs require “food” for survival?
A. Food is an alternative source of energy for heterotrophs when sunlight is unavailable.
B. Food provides the organic chemicals needed by heterotrophs.
C. Food provides at least half of the water required by heterotrophs.
D. Heterotrophs cannot photosynthesize without the chemicals provided by food.
Answer:B
Why do heterotrophs require “food” for survival?
A. Food is an alternative source of energy for heterotrophs when sunlight is unavailable. B. Food provides the organic chemicals needed by heterotrophs. C. Food provides at least half of the water required by heterotrophs. D. Heterotrophs cannot photosynthesize without the chemicals provided by food.