Energy Transfer in Ecosystems-Standard Bio 1.2

Question 1

The diagram shows a food web.

Revolt · Accepted Answer

The entire food web would be affected.

Question 2

In order to support all of the organisms in an ecosystem, which should have the greatest amount of biomass?

Revolt · Accepted Answer

producers

Question 3

In an ecosystem, a deer consumes grass. What percentage of energy will the deer acquire from the grass?

Revolt · Accepted Answer

10%

Question 4

The diagram shows a basic food chain.Which is the primary consumer?

Revolt · Accepted Answer

rabbit

Question 5

Which statement best contrasts food chains and food webs?

Revolt · Accepted Answer

Food chains show a single path of energy in an ecosystem, and food webs show all the overlapping food chains in that ecosystem.

Question 6

Which organisms obtain energy from dead or decaying matter? Select two options. groundhogsdaisiesearthwormsbacteriahumansphytoplankton

Revolt · Accepted Answer

earthworms; bacteria

Question 7

Which of these is a producer?

Revolt · Accepted Answer

fern

Question 8

Nida draws a diagram with insects, birds, and mice. She shows the mice eating grass; hawks, snakes, and toads eating the insects; and foxes, hawks, and snakes eating the birds and mice. The snakes are also eating the toads. Which best describes the diagram?

Revolt · Accepted Answer

food web

Question 9

Which represents the amount of potential food available at each trophic level?

Revolt · Accepted Answer

biomass pyramid

Energy Transfer in Ecosystems-Standard Bio 1.2 Answers

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