Energy Flow in Ecosystems Answers
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A meadow food chain is shown.
A
primary consumerB
secondary consumerC
producerD
decomposer2
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Study the diagram of a desert food chain.
A
The number of snakes would increase.B
The number of cactus plants would increase.C
The number of foxes would be unaffected.D
The number of cactus plants would be unaffected.3
carnivoreherbivoreconsumerdecomposer
A
carnivoreB
herbivoreC
consumerD
decomposer4
The diagram shows an energy pyramid.
A
10 kcalB
100 kcalC
1,000 kcalD
10,000 kcal5
Which statements describe the energy in a food web? Select three options.
A
When an organism eats another organism, it loses energy.B
Producers have the greatest amount of available energy.C
Energy can follow many different paths.D
When an organism eats another organism, it gains energy.E
Producers have the least amount of available energy.F
Energy always follows a single path.7
In a rainforest food chain, caterpillars and butterflies eat orchid plants. Toucans eat the caterpillars and butterflies. Leopards eat the toucans.Which statement describes the energy in this food chain?
A
The leopards gain energy directly from the butterflies.B
The orchids have the least amount of available energy.C
The caterpillars gain energy directly from the orchids.D
The toucans have more available energy than the butterflies.8
An ocean food web is shown.
A
sea urchinB
sea otterC
kelpD
elephant seal9
Which statement explains the most realistic way to model energy flow in an ecosystem?
A
A food chain is most realistic because many organisms eat one type of food, and energy moves through a single pathway.B
A food chain is most realistic because many organisms eat a variety of foods, and energy moves through different pathways.C
A food web is most realistic because many organisms eat one type of food, and energy moves through a single pathway.D
A food web is most realistic because many organisms eat a variety of foods, and energy moves through different pathways.10
Skunks eat fruits, worms, plants, fish, insects, and more.Which describes the role of a skunk?
A
autotrophic omnivoreB
heterotrophic omnivoreC
autotrophic carnivoreD
heterotrophic carnivoreDid you find these answers helpful?
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