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Energy Flow - practice quiz

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Energy Flow - practice quiz

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Energy Flow - practice quizOnline version

Energy Flow - practice quiz

by Benjamin D Morgan
1

A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?

2

Which of the following statements is true about natural systems?

3

Look at the blank Energy Pyramid. Which Trophic Level is where we would find the Tertiary Consumers?

4

A secondary consumer will gain energy from what level consumer?

5

A rabbit eats the grass, the snake eats the rabbit and the hawk eats the snake. Who has the most energy in this food chain?

6

A mouse eats the grass, a snake eats the mouse and the hawk eats the snake. Who has the least amount of the original energy from this food chain?

7

In an ecosystem, living things can change to nonliving parts of the ecosystem and nonliving things can be used by living things. Which is an example of a living part of an ecosystem moving to the nonliving part of the ecosystem?

8

The energy organisms need to live and grow first enters the ecosystem when ???

9

A food web diagram is provided. Based on the diagram, which is a correct example of a pathway that energy could follow as it cycles through this ecosystem?

10

A diagram is provided. Identify an energy path with FOUR levels starting with a producer.

11

Show the complex relationships of energy flow in an ecosystem

12

Break down plant and animal remains and waste into molecules that producers reuse to make energy

13

As energy flows up the pyramid, some energy is transformed into this

14

An energy pyramid is a model of a food chain, which represents ____________________________ levels.

15

An ____________ __________ models the amount of energy available at each trophic level in a food chain.

16

A food web consists of?

17

True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy from the previous level.

18

What do the arrows in a food chain and food web represent?

19

What gas do leaves absorb during the day?

20

Matter and energy are transferred through an ecosystem by consumers and producers

21

Which is recycled between organisms in a food web/ecosystem

22

Which is moves in a one-way manner between organisms in a food web/ecosystem

23

Energy enters an ecosystem and leaves an ecosystem

24

Matter enters an ecosystem and leaves an ecosystem

25

Energy enters an ecosystem and gets recycled over-and-over

26

Matter enters an ecosystem and gets recycled over-and-over between the organisms

27

Nitrogen gas is turned into a form plants and animals can use by bacteria by a process called

28

Nitrogen is put into the soil by ________for plants to use.

29

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

30

Which substance must be chemically transformed before it can be used by plants in the soil?

31

Carbon is moved around like the diagram. What does this show?

32

Nitrogen in the atmosphere is not available. Free nitrogen has to be changed into a usable form in a process called nitrogen fixation so plants can use it. This is part of...

33

What role do animals play in the carbon cycle?

34

Organisms that play a role in the flow of matter through the carbon and nitrogen cycle

35

In the carbon cycle, producers take in the gas __

36

An organism that lives by breaking apart dead organic matter into simpler parts is...

37

How do animals get carbon?

38

Which of the following ways carbon enters the atmosphere?

39

Which process converts carbon in the form of sugar into carbon dioxide gas?

40

How do animals and other consumers get carbon?

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