ECOLOGY
ENERGY FLOW AND THE FOOD CHAIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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deer and squirrel
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flowers and deer
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deer and mushrooms
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squirrel and mushrooms
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Detailed explanation-1: -Primary consumers are herbivores. Herbivores eat plants, algae, and other producers. They are at the second trophic level. In a grassland ecosystem, deer, mice, and even elephants are herbivores.
Detailed explanation-2: -The squirrel is a primary consumer (it eats only plants). The snake is a secondary consumer (it eats other animals). The eagle is a tertiary consumer (it feeds on other animals that eat meat).
Detailed explanation-3: -Animals that eat only plants are called herbivores. Herbivores are consumers because they eat plants to survive. Deer, grasshoppers, and rabbits are all consumers.
Detailed explanation-4: -Deer feeds directly on plants. Hence, it is a primary consumer.
Detailed explanation-5: -Examples of primary consumers are zooplankton, butterflies, rabbits, giraffes, pandas and elephants. Primary consumers are herbivores. Their food source is the first trophic level of organisms within the food web, or plants. Plants are also referred to as autotrophs.