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WorksheetsPopulations and Communities Study Guide
Total questions: 10
Worksheet time: 42mins
Name
Class
Date
1.
A prairie dog, a hawk, and a snake are all members of the same _____.
a)
niche
b)
community
c)
species
d)
population
2.
Grass is an example of a(n) ______.
a)
abiotic factor
b)
biotic factor
c)
population
d)
ecosystem
3.
Which is the largest?
a)
organism
b)
population
c)
community
d)
ecosystem
4.
Which is a biotic factor you might find in an ecosystem?
a)
rocks
b)
trees
c)
rain
d)
river
5.
Which is an abiotic factor you might find in a forest?
a)
sunlight
b)
grass
c)
trees
d)
birds
6.
All of the following are limiting factors for populations except ________.
a)
space
b)
food
c)
time
d)
weather
7.
_________________ occurs when individuals leave a population.
a)
Immigration
b)
Emigration
8.
Which type of interactions do both species benefit?
a)
predation
b)
mutualism
c)
commensalism
d)
parasitism
9.
A parasite lives on or in its _____.
a)
predator
b)
prey
c)
parasite
d)
host
10.
A series of predictable changes that occur in a community over time is called
a)
natural selection
b)
commensalism
c)
ecology
d)
succession
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