AP BIOLOGY

ECOLOGY

ENERGY FLOW AND PRIMARY PRODUCTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

How are primary consumers different from secondary consumers?

A	Primary consumers eat only plants;secondary consumers eat other consumers.
B	Primary consumers eat other consumers;secondary consumers eat only plants.
C	primary consumers eat plants and other consumer;secondary consumers eat plants and decompose matter
D	Primary consumers eat plants and decompose matter ;secondary consumers consumers eat plants and other consumers.

Explanation:

Detailed explanation-1: -The primary consumers are herbivores (vegetarians). The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers. The secondary consumers tend to be larger and fewer in number. This continues on, all the way up to the top of the food chain.

Detailed explanation-2: -Some secondary consumers eat both plants and animals. They are called omnivores, from the Latin words that mean “eats everything.” A raccoon is an example of an omnivore; it eats plant matter such as berries and acorns, but it also catches crayfish, frogs, fish, and other small animals.

Detailed explanation-3: -Primary Consumer-Animals that consume only plant matter. They are herbivores-eg rabbits, caterpillars, cows, sheep, and deer. Secondary Consumer-Animals that eat primary consumers (herbivores). Tertiary Consumer-Animals that eat secondary consumers ie carnivores that feed on other carnivores.

Detailed explanation-4: -Primary consumers are the animals that feed on primary producers. Moreover, they make the second tropical level of the energy pyramid and are consumed by secondary and tertiary consumers. Furthermore, as they feed on primary producers, which are the autotrophic plants, primary consumers are herbivores.

Detailed explanation-5: -Primary consumers vary with the type of an ecosystem. For example, in a forest ecosystem, deer or giraffe is a primary consumer whereas in a grassland ecosystem, cow or goat is a primary consumer. SECONDARY CONSUMERS: These are carnivores and feed on primary consumers and producers. For example, dogs, cats, birds etc.

There is 1 question to complete.