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WorksheetsCh. 3 Interactions in Ecosystems
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
What word do we use to describe "all living and nonliving things in an environment?"
a)
Population
b)
Niche
c)
Ecosystem
d)
Habitat
2.
What word do we use to describe all living things in an ecosystem?
a)
Population
b)
Community
c)
Ecosystem
d)
Habitat
3.
All the jaguars that live in a particular rain forest are the "jaguar _________."
a)
Community
b)
Habitat
c)
Limiting Factor
d)
Population
4.
Air, temperature, light, water, and rocks are all examples of which type of factor?
a)
Abiotic
b)
Biotic
5.
Plants, animals, fungi, and bacteria are all examples of which type of factor?
a)
Abiotic
b)
Biotic
6.
The path that energy and nutrients follow in an ecosystem is called:
a)
Food Flow
b)
Food Chain
c)
Energy Chain
d)
Energy Flow
7.
An animal that eats only plants is called a what?
a)
Omnivore
b)
Herbivore
c)
Carnivore
d)
Plantivore
8.
An animal that eats only animals is called a what?
a)
Omnivore
b)
Herbivore
c)
Carnivore
d)
Meativore
9.
An animal that eats both plants and animals is called a what?
a)
Omnivore
b)
Herbivore
c)
Carnivore
d)
Eating Machine
10.
Which of the following is a producer?
a)
Rabbit
b)
Giraffe
c)
Tree
d)
Mushroom
11.
Which of the following is a consumer?
a)
Grass
b)
Flower
c)
Bush
d)
Bee
12.
Which of the following is a decomposer?
a)
Fungi
b)
Salamander
c)
Pig
d)
Grass
13.
Bacteria that breaks down dead or decaying organisms is an example of a:
a)
Producer
b)
Consumer
c)
Decomposer
14.
An orange tree that uses sunlight to make its own food is an example of a:
a)
Producer
b)
Consumer
c)
Decomposer
15.
A hedgehog that must eat plants and bugs is an example of a:
a)
Producer
b)
Consumer
c)
Decomposer
16.
A network of food chains that have some links in common is called a what?
a)
Energy Chain
b)
Food Chain
c)
Energy Web
d)
Food Web
17.
Animals that hunt another animal for food are called what?
a)
Predator
b)
Prey
c)
Meanies
18.
Animals that are hunted by other animals are called what?
a)
Predator
b)
Prey
c)
Tasty
19.
Which direction does the Energy Transformation Arrow point?
Mouse Snake
Mouse Snake
a)
To the left (Mouse)
b)
To the right (Snake)
20.
A diagram that shows the amount of energy at each level of an ecosystem is called a what?
a)
Producer
b)
Apex Predator
c)
Energy Pyramid
d)
Energy Web
21.
Which level of the ecosystem has the most energy available?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Apex Predators
22.
Does the amount of energy available INCREASE or DECREASE as you move up the energy pyramid?
a)
Increase
b)
Decrease
23.
Animals that eat producers are what level of the energy pyramid?
a)
Primary Consumers
b)
Secondary Consumers
c)
Tertiary Consumers
d)
Quaternary Consumers
24.
The place where an organism lives and finds food is called what?
a)
Niche
b)
Habitat
c)
Carrying Capacity
d)
Community
25.
The job an organism plays in its community is its what?
a)
Habitat
b)
Niche
c)
Carrying Capacity
d)
Limiting Factor
26.
Something that restricts the number of plants or animals in an ecosystem is called what?
a)
Habitat
b)
Niche
c)
Carrying Capacity
d)
Limiting Factor
27.
The greatest number of a population that an ecosystem can support is called the what?
a)
Habitat
b)
Niche
c)
Carrying Capacity
d)
Limiting Factor
28.
A relationship between two or more different organisms is called what?
a)
Friendship
b)
Symbiosis
c)
Amoeba
d)
Biotic Factors
29.
A symbiotic relationship where one organism benefits and the other is harmed is called what?
a)
Mutualism
b)
Commensalism
c)
Parasitism
30.
A symbiotic relationship where both organisms benefit is called what?
a)
Mutualism
b)
Commensalism
c)
Parasitism
31.
A symbiotic relationship where one organism benefits and the other is neither helped nor harmed is called what?
a)
Mutualism
b)
Commensalism
c)
Parasitism
32.
Which of the following is a biotic factor in an ecosystem?
a)
Temperature
b)
Rocks
c)
Acorns
d)
Carbon Dioxide
33.
Which of the following is an abiotic factor in an ecosystem?
a)
Bacteria
b)
Light
c)
Plants
d)
Animals
34.
Which animal is a scavenger?
a)
Vulture
b)
Dolphin
c)
Turtle
d)
Eagle
35.
Which animal is an omnivore?
a)
Horse
b)
Alligator
c)
Buffalo
d)
Human
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