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Food Webs And Energy Pyramids

Test Description: Food Webs and Energy. VA LS SOL

Instructions: Answer all questions to get your test result.

1) What is the relationship between producers and consumers?

AConsumers eat the wastes of producers BProducers eat consumers CConsumers eat producers DProducers eat the wastes of consumers

2) What happens to the amount of available energy as you move up the levels of the energy pyramid?

AIt only changes when there are fourth level consumers BIt stays the same CIt decreases DIt increases

3) Organisms that absorb nutrients from dead plants and animals are called —

Aherbivores Bdecomposers Ccarnivores Dproducers

4) The major role of bacteria, fungi and other decomposers in an ecosystem is to —

Aproduce food for the consumers Bprovide water for the animals in the area Ckeep the soil from eroding Drecycle the nutrients

5) In the relationship between a snake and a frog, if the snake eats the frog, the frog is —

Aalpha Ba mutualistic partner Cprey Da predator

6) Vultures feed primarily on the bodies of dead animals. They are —

Aproducers Bomnivores Cautotrophs Dscavengers

7) Which term best describes the niche of a shark?

APredator BPrey CDecomposer DParasite

8) The job or role an organism plays within its habitat is called its —

Aniche Bfood chain Ccompetition Daddress

9) All populations of different species living together in an area are called —

Aa community Ban ecosystem Ca population Dcarnivores

10) What is predation within a species?

AA similar relationship of mutual interdependence BAn interaction between organisms in which the fitness of one is lowered by the presence of another. CThe capturing of prey as a means to maintain life DThe function of an organism within an ecological community

*select an answer for all questions

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