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WorksheetsEcology
Total questions: 11
Worksheet time: 4mins
Name
Class
Date
1.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
2.
which symbiosis is this
a)
parasitism
b)
mutualism
c)
commensalism
d)
nonalism
3.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
4.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms.
d)
How carnivores get their food.
5.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
6.
An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
7.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
8.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
9.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
10.
True or False: It is possible for a carnivore to be a producer.
a)
False
b)
True
11.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
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