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WorksheetsCMS Unit 7: Energy Flow Pre-Assessment
Total questions: 40
Worksheet time: 33mins
Name
Class
Date
1.
An organism that can make its own food is called?
a)
Consumer
b)
Producer
c)
Decomposer
d)
Herbivore
2.
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.
3.
A food chain is?
a)
Overlapping food chains in an ecosystem.
b)
The amount of energy that moves from one feeding level to another in a food web.
c)
A series of events in which one organism eats another and obtains energy.
d)
biotic and abiotic factors in an area.
4.
A carnivore eats only other animals. What is an example?
a)
Bison
b)
Elephant
c)
Caterpillar
d)
Coyote
5.
The energy role that break down biotic wastes and dead organisms is?
a)
Consumer
b)
Producer
c)
Scavenger
d)
Decomposer
6.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
7.
This type of consumer eats both other consumers and producers to obtain energy. It's name means "ALL" or "WHOLE" in latin.
a)
Carnivore.
b)
Herbivore.
c)
Omnivore
d)
Scavenger.
8.
A food web consists of?
a)
Many overlapping food chains in an ecosystem.
b)
A series of events in which one organism eats another and obtains energy.
c)
Amount of energy that moves from one feeding level to another.
d)
Many types of insects that are stuck.
9.
This type of consumer obtains all of its energy by eating only producers.
a)
Omnivore
b)
Herbivore
c)
Scavenger
d)
Carnivore
10.
This type of consumer eats only plants.
a)
Carnivore.
b)
Herbivore
c)
Omnivore.
d)
Scavenger.
11.
Which of this energy roles is always located at the bottom of an energy pyramid?
a)
Producer
b)
Second-Level Carnivores
c)
Herbivores.
d)
First-Level Consumers.
12.
This type of consumer only feeds on the bodies of dead animals.
a)
Herbivore.
b)
Decomposer.
c)
Carnivore.
d)
Scavenger
13.
Series of steps in which organisms transfer energy by eating and being eaten
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
14.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
15.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
16.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
17.
A food chain/food web is intended to show relationships in an ecosystem. What do the arrows represent?
a)
The direction of population migration
b)
Differences in dietary habits
c)
Progressively smaller organisms
d)
The direction of the energy flow
18.
What is another name for producer?
a)
consumer
b)
herbivore
c)
autotroph
d)
lichen
19.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
20.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
21.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
22.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True
b)
False
23.
A fox is an example of...
a)
Biotic Factor
b)
Abiotic Factor
24.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
25.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
26.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
27.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
28.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
29.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
30.
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
31.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
32.
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
33.
In the food web shown, the smaller bird would be considered....
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
34.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
35.
In the food web shown, the fox is a...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
36.
Is the rabbit in the same food chain as the owl?
a)
No
b)
Yes
37.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
38.
What is the definition of the word consumer?
a)
An animal that eats only plants
b)
An animal that eats other animals
c)
An organism that obtains energy by feeding on other organisms.
d)
The transfer (movement) of energy.
39.
What is the definition of the word producer?
a)
An organism that can make its own food.
b)
An organism that obtains energy by feeding on other organisms.
c)
An animal that eats only plants
d)
An animal that eats other animals
40.
What is the definition of the word decomposer?
a)
Shows what eats what and consists of many food chains in an ecosystem
b)
The transfer (movement) of energy.
c)
An animal that eats other animals
d)
An organism that breaks down wastes and dead organisms.
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