A cat eats a bird, which ate a caterpillar that chewed on a weed. Which organisms are autotrophs? Which ones are heterotrophs?
To determine: The autotrophic and heterotrophic organisms.
According to energy consumption pathway, organisms are split up into autotrophs and heterotrophs. Autotrophs are organisms that convert simple substances from the environment into complex organic compounds by using light energy in the process of photosynthesis. Heterotrophs are organisms that cannot synthesize their own food; they imbibe or obtain their food and energy from plant or animal sources.
Biology (MindTap Course List)
Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)
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Fundamentals of Physical Geography