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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Which nutritional relationship described below contains an organism that can be classified as a heterotroph, secondary consumer, and scavenger?
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A field mouse eats an ear of corn.
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Certain bacteria live in nodules on clover roots.
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A crow eats a portion of a dead rabbit.
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A peregrine falcon kills and eats a pigeon.
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Explanation:
Detailed explanation-1: -Both primary (herbivores) and secondary (carnivores and omnivores) consumers are heterotrophs, while primary producers are autotrophs. A third type of heterotrophic consumer is a detritivore.
Detailed explanation-2: -Decomposers are heterotrophs that break down and feed on the remains of dead organisms and other organic wastes such as feces.
Detailed explanation-3: -While decomposers break down dead, organic materials, detritivores-like millipedes, earthworms, and termites-eat dead organisms and wastes.
Detailed explanation-4: -The organisms that obtain nutrients from dead and decaying organic matter by saprophytic mode. Saprophytes are the animals that feed on dead and decaying animals.
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