AnswersFL-2002070-MJ Comprehensive Science 2Energy Flow in Ecosystems

Energy Flow in Ecosystems Answers

1 verified answers
1
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Which organism is a carnivore?

A
giraffe
B
elephant
C
lion
D
bear
2
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An ocean food web is shown.

Question illustration
A
sea urchin
B
sea otter
C
kelp
D
elephant seal
3

Study the diagram of a desert food chain.

Question illustration
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

Which statements describe the energy in a food web? Select three options. When an organism eats another organism, it loses energy. Producers have the greatest amount of available energy. Energy can follow many different paths. When an organism eats another organism, it gains energy. Producers have the least amount of available energy. Energy always follows a single path.

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.
5

carnivoreherbivoreconsumerdecomposer

A
carnivore
B
herbivore
C
consumer
D
decomposer
6

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.
7

Skunks eat fruits, worms, plants, fish, insects, and more.Which describes the role of a skunk?

A
autotrophic omnivore
B
heterotrophic omnivore
C
autotrophic carnivore
D
heterotrophic carnivore
8

Study the ocean food web.

Question illustration
A
phytoplankton
B
cod
C
leopard seal
D
zooplankton
9

When moving upward on an energy pyramid from one level to the next, what happens to the usable energy in an ecosystem?

A
It increases by about 10%.
B
It increases by about 90%.
C
It decreases by about 10%.
D
It decreases by about 90%.
10

Sayid drew an energy pyramid.

Question illustration
A
a trophic level
B
a food chain
C
a type of producer
D
a different ecosystem

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