WorksheetsEcosystem Overview
Total questions: 15
Worksheet time: 32mins
Name
Class
Date
1.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
2.
All of the nonliving parts of an ecosystem are _______.
a)
biography
b)
biotic
c)
abiotic
d)
biology
3.
All of the living parts of an ecosystem are _________.
a)
biology
b)
biotic
c)
abiotic
d)
biography
4.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
5.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
6.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
d)
None of the above
7.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
d)
The mice would plant more corn.
8.
Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?
a)
preventing deer from depleting food resources
b)
restoring a natural habitat
c)
wildlife rangers minimizing disturbances
d)
a lumbar company clearing a forest
9.
The Texas Kangaroo Rat, native to north-central Texas, makes its home in mesquite bushes. If the mesquite bushes are cleared for human homes , which of the following is the most probable result?
a)
The rat population will rise (increase).
b)
The rat population will decline (decrease).
c)
The rat population will stay the same.
d)
The rat population will double.
10.
In the 1980's, the water level dropped and the salt concentration doubled in Mono Lake. How did this affect the brine shrimp population that lives there?
a)
The brine shrimp population increased.
b)
The brine shrimp population decreased.
c)
This did not affect the brine shrimp population.
d)
What are brine shrimp?
11.
Which of the following is an abiotic factor?
a)
soil
b)
plants
c)
birds
d)
insects
12.
Which of the following would not be part of a community?
a)
grasshopper
b)
grass
c)
soil
d)
bird
13.
What is the correct order of organization in a ecosystem from smallest to biggest?
a)
population, organism, ecosystem, community
b)
organism, population, community, ecosystem
c)
organism, community, population, ecosystem
d)
community, population, ecosystem, organism
14.
The role of an organism in its habitat (how it makes its living) is called:
a)
niche
b)
adaptation
c)
talent
d)
trait
15.
Which of these is not a biotic factor?
a)
Squirrel
b)
Mosquito
c)
Bear
d)
Water
100 %
