Energy Flow in Ecosystems Answers
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1
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Study the ocean food web.
A
phytoplanktonB
codC
leopard sealD
zooplankton2
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The diagram shows an energy pyramid.
A
10 kcalB
100 kcalC
1,000 kcalD
10,000 kcal3
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.4
An energy pyramid shows the amount of available at each feeding level in an ecosystem.
Answer not available
5
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.6
carnivoreherbivoreconsumerdecomposer
A
carnivoreB
herbivoreC
consumerD
decomposer7
Rosa has a vegetable garden. She places earthworms, which are decomposers, in the garden soil.What is Rosa most likely trying to do?
A
prevent insects from eating the plantsB
create usable food energy for the plantsC
enrich the soil with nutrientsD
kill the bacteria in the soil8
Skunks eat fruits, worms, plants, fish, insects, and more.Which describes the role of a skunk?
A
autotrophic omnivoreB
heterotrophic omnivoreC
autotrophic carnivoreD
heterotrophic carnivore9
An ocean food web is shown.
A
sea urchinB
sea otterC
kelpD
elephant seal10
A meadow food chain is shown.
A
primary consumerB
secondary consumerC
producerD
decomposerDid you find these answers helpful?
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