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WorksheetsChapter 18, Lesson 2 (energy in ecosystems)
Total questions: 21
Worksheet time: 57mins
Name
Class
Date
1.
A habitat is a specific place that an animal lives.
a)
True
b)
False
2.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
d)
population
3.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
4.
Which of the following is NOT a consumer
a)
grass
b)
dog
c)
shark
d)
fish
5.
An animal that gets energy from eating both plants and animals is a
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
6.
Which best describes the relationship between decomposers and producers?
a)
Decomposers provide producers with water.
b)
Decomposers absorb nutrients produced in the soil.
c)
Producers release energy from the sun through decomposers.
d)
Producers absorb nutrients from decomposed material in the soil.
7.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
8.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
9.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
10.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
11.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
12.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
13.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
14.
All food webs and food chains begin with _________________.
a)
primary consumer
b)
producers
c)
secondary consumers
d)
predators
15.
Is the rabbit in the same food chain as the owl?
a)
No
b)
Yes
16.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
17.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
18.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
19.
Each higher level of the model, has __________ energy.
a)
more
b)
less
c)
the same
20.
What does this diagram display?
a)
The predator-prey relationship between vertebrates
b)
The movement of energy throughout an ecosystem
c)
The changing types of organisms in a forest
d)
The standard lifespan of trees and animals
21.
Look at the energy pathways in the food chains shown. In which food chain would humans receive the least amount of energy supplied by the producer?
a)
Food chain 1
b)
Food chain 2
c)
Food chain 3
d)
all food chains are equal
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