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WorksheetsEcology Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
What is the term for all the different species in a given area?
a)
population
b)
ecosystem
c)
community
d)
biome
2.
Wind is considered to be an abiotic factor because it _____________.
a)
is not related to biodiversity
b)
is a nonliving thing
c)
is in equilibrium
d)
is not in any ecosystem
3.
A moose is considered to be a consumer because it ____________.
a)
gets energy by eating other resources
b)
makes its own food
c)
forms carbohydrates using chemicals
d)
uses sunlight for energy
4.
A model that shows a single sequence of feeding relationships is called a _________.
a)
trophic level
b)
food chain
c)
food web
d)
all of the above
5.
Decomposers are mportant to ecosystems because they ___________.
a)
recycle vital nutrients to the environment
b)
are producers
c)
capture energy from the Sun
d)
can be carnivores
6.
A food chain contains the following organisms: oak trees--> mice--> black rat snakes--> bald eagles. How many trophic levels does this food chain have?
a)
one
b)
two
c)
three
d)
four
7.
What does this diagram show?
a)
the nitrogen cycle
b)
the water cycle
c)
the oxygen cycle
d)
the carbon cycle
8.
All the biotic and abiotic factors in a given area makeup __________.
a)
a habitat
b)
a community
c)
an ecosystem
d)
a population
9.
The place where an organism lives is known as its ______________.
a)
niche
b)
habitat
c)
community
d)
behavior
10.
The idea that two species cannot occupy the same niche is known as the _________________________.
a)
ecological equivalence theory
b)
niche partitioning law
c)
evolutionary response hypothesis
d)
competitive exclusion principle
11.
Hawks and foxes compete to eat field mice. This is a form of ______________.
a)
intraspecific competition
b)
competitive exclusion
c)
interspecific competition
d)
random dispersion
12.
Which of these is an example of parasitism?
a)
A lion defends its territory
b)
A squirrel stores food in a tree hole
c)
A leech feeds on a host's blood
d)
A polar bear kills and eats a seal
13.
Organisms that use energy from the sun or other nonliving source to make their own food
a)
Autotroph
b)
Omnivore
c)
Decomposer
d)
Herbivore
14.
Animals such as lions that consume only other animals
a)
Omnivore
b)
Carnivore
c)
Decomposer
d)
Herbivore
15.
Animals such as horses and deer that consume only plants
a)
Omnivore
b)
Carnivore
c)
Decomposer
d)
Herbivore
16.
Organisms such as fungi and bacteria that break down dead plants or animals
a)
Autotroph
b)
Carnivore
c)
Decomposer
d)
Herbivore
17.
Animals such as bears that consume both plants and other animals
a)
Autotroph
b)
Carnivore
c)
Omnivore
d)
Herbivore
18.
A wolf catches and eats a rabbit.
a)
Predation
b)
Parasitism
c)
Competition
d)
Mutualism
19.
A flea lives on a dog and bites the dog to get a meal of ever so delicious blood.
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Predation
20.
Two male turkeys are fanning their tails out to prove that are the toughest birds on the block.
a)
Predation
b)
Commensalism
c)
Competition
d)
Mutualism
21.
Orchids grow on the sides of trees in the rain forest so it can get more sunlight. The orchid asks the tree, " Do I owe you anything?" The tree is like, "Nah, don't worry about it."
a)
Commensalism
b)
Mutualism
c)
Parasitism
d)
Competition
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