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WorksheetsEcosystems
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
A __________ includes all living and non-living things in an environment.
a)
population
b)
niche
c)
community
d)
ecosystem
2.
Which of the following is part of an ecosystem?
a)
the Sun
b)
weather
c)
animals
d)
all of the above
3.
The balance of an ecosystem can be disrupted by the introduction of new organisms, loss of a species, human activities, or natural disasters.
a)
true
b)
false
4.
What is a group of individuals of the same species that live in a certain area called?
a)
community
b)
individual
c)
population
d)
ecosystem
5.
The following picture is an
example of a _________________ .
example of a _________________ .
a)
population
b)
ecosystem
c)
community
d)
food chain
6.
Which of the following would not be part of a community?
a)
grasshopper
b)
grass
c)
soil
d)
bird
7.
What is a collection of organisms that belong to different populations but all live in the same area and interact with one another called?
a)
population
b)
ecosystem
c)
community
d)
biosphere
8.
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
9.
A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.
a)
shelter
b)
tree
c)
habitat
d)
organism
10.
What is an organism's niche?
a)
an organism's role in its environment
b)
where an organism lives
c)
something that itches
d)
a predator that is mean
11.
Starfish are probably the most important predator in a shallow marine ecosystem because they eat basically anything they can come across. Their feeding activities control the whole ecosystem. This is an example of the starfish ___.
a)
habitat
b)
biotic factors
c)
tolerance level
d)
niche
12.
What is a large region with similar ecosystems called?
a)
ecosystem
b)
biome
c)
ocean
d)
atmosphere
13.
In which biome is Northwest Montana located?
a)
tundra
b)
tropical forest
c)
temperate forest
d)
grasslands
14.
What does diversity mean?
a)
very few
b)
variety
c)
dry
d)
frozen
15.
The greatest biodiversity on Earth is found in the __________ biome.
a)
tundra
b)
grassland
c)
temperate deciduous forest
d)
tropical rainforest
16.
What is the largest biome, taking up about 73% of Earth's total surface?
a)
grassland
b)
desert
c)
tropical forest
d)
aquatic
17.
More direct, intense sunlight is found in the _________ biome.
a)
tropical forest
b)
desert
c)
tundra
d)
temperate forest
18.
Less direct, less intense sunlight is found in the _________ biome.
a)
tropical forest
b)
temperate forest
c)
tundra
d)
aquatic
19.
Different areas of the world receive different amounts of sunlight due to ___________.
a)
latitude
b)
heat transport
c)
temperature
d)
rainfall
20.
Which has the greatest effect on the temperature of a region?
a)
The amount of plants it has.
b)
The amount of rainfall it gets.
c)
The amount of humans it has.
d)
The amount of sunlight it gets.
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