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Energy Flow NOTES

Last updated over 1 year ago

24 questions

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Question 1

1.

Question 2

2.

shows how organisms get their ___ in a straight line

Question 3

3.

Question 4

4.

shows all the feeding _____ between organisms consuming each other

Question 5

5.

food chains begin with a ______ (choose 2)

consumer

heterotroph

producer

autotroph

Question 6

6.

food chains end with a ______ (choose 2)

consumer

autotroph

producer

heterotroph

Question 7

7.

Review: Which is true?

phytoplankton eat zooplankton

zooplankton eat phytoplankton

Question 8

8.

Label: secondary consumer, producer, tertiary consumer, primary consumer

Other Answer Choices:

secondary consumer

primary consumer

tertiary consumer

producer

Question 9

9.

What are 3 major producers in the world?

Question 10

10.

Question 11

11.

What main trophic level is the sea otter?

primary producer

primary consumer

Question 12

12.

Which 2 other trophic levels could the sea otter be, depending on what it eats?

primary producer

Question 13

13.

Energy pyramids show how most of the energy is _____ as it moves up through the ecosystem.

Question 14

14.

In an energy pyramid, the top consumer is always found ____.

at the top

in the middle

at the bottom

Question 15

15.

Only about ____% of energy is transferred per level

Question 16

16.

The other 90%, a lot of it is lost to ______

Question 17

17.

More producers than consumers because there needs to be ______ of producers to eat!

Question 18

18.

Smallest sized organisms are usually at the bottom because energy is ______ between so many (ex. blades of grass)

Question 19

19.

Question 20

20.

REVIEW: What is the first trophic level of an ecosystem called?

secondary consumer

primary producer

primary consumer

tertiary consumer

Question 21

21.

REVIEW: A(n) _____ is considered a SECONDARY CONSUMER.

fungus

mouse

eagle

tree

Question 22

22.

REVIEW: Each time energy is transferred from 1 trophic level to the next, what happens to the AMOUNT OF ENERGY?

10% is gained

10% is lost

Question 23

23.

Review: What 2 actual EXAMPLES of things can a black bear eat that makes it both a PRIMARY and SECONDARY CONSUMER?

Question 24

24.

REVIEW: Why is the shape of a triangle a good choice for the ENERGY PYRAMID?

What are 3 food sources for the sea otter? 

snail

killer whale

octopus

crab

phytoplankton

seaweed

secondary consumer

tertiary consumer

top-level consumer

primary consumer

secondary consumer

tertiary consumer

top-level consumer

So the BOTTOM level of an energy pyramid has the: (choose 3)

biggest size

least energy

most energy

most in number

smallest size

least in number 