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WorksheetsEcosystems
Total questions: 29
Worksheet time: 26mins
Name
Class
Date
1.
_______ factors include all nonliving things located within an ecosystem.
a)
community
b)
abiotic
c)
bitoic
d)
ecoystems
2.
Which is a freshwater ecosystem?
a)
lake
b)
estuary
c)
salt marsh
d)
ocean
3.
An ecosystem contains ferns, rabbits, and many trees. Which BEST describes this ecosystem?
a)
aquatic ecosystem
b)
grassland ecosystem
c)
lake ecosystem
d)
forest ecosystem
4.
Which is a difference between abiotic and biotic factors?
a)
abiotic factors are plants and biotic factors are animals
b)
biotic factors are plants and abiotic factors are animals
c)
abiotic factors are all living things and biotic factors are all nonliving things
d)
abiotic factors are all nonliving things and biotic factors are all living things
5.
Which best describes what makes one ecosystem different from another?
a)
the amount of sunlight, rainfall, temperature, and species types
b)
the amount of animals, oxygen, plant life, and pollution
c)
the amount of carbon dioxide, oxygen, water, and soil
d)
the amount of soil, water, buildings, and humans
6.
What are water-based ecosystems called?
a)
terrestrial
b)
aquatic
c)
forests
d)
grasslands
7.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
8.
In a ___________, trees lose their leaves.
a)
tropical rainforest
b)
deciduous forest
9.
Tropical rainforests have________ species than all other biomes.
a)
more
b)
fewer
10.
What is an example of a wetland?
a)
Ocean
b)
Saltwater Marsh
c)
Pond
d)
Waterfall
11.
Because of limited rainfall, few trees grow in the___________.
a)
Wetlands
b)
Grasslands
c)
Ocean
d)
Terrestrial Ecosystem
12.
In which ecosystem would an organism that is adapted to daily changes in salinity (amount o salt) most likely be found?
a)
pond
b)
lake
c)
open ocean
d)
estuary
13.
In which ecosystem will you most likely find bison, prairie dogs, and woody shrubs?
a)
grassland
b)
pond
c)
salt marsh
d)
forest
14.
Which of these ecosystems supports the widest variety of plants and
animals?
animals?
a)
desert
b)
estuary
c)
grassland
d)
tropical rain forest
15.
A scientist took pictures of a deer, a black bear, and a squirrel in the
wild. In which ecosystem did the scientist most likely take the pictures?
wild. In which ecosystem did the scientist most likely take the pictures?
a)
estuary
b)
forest
c)
grassland
d)
salt marsh
16.
Which type of ecosystem best removes pollutants from water?
a)
forest
b)
desert
c)
estuary
d)
grassland
17.
Which best explains why tropical rainforests always have warm
temperatures?
temperatures?
a)
They are at low altitudes.
b)
They are near the Equator.
c)
A canopy of trees traps heat.
d)
The many animals produce heat.
18.
_______ factors are all living things located within an ecosystem.
a)
biotic
b)
abitotic
c)
biome
d)
niche
19.
Which statement best compares a pond ecosystem to a lake ecosystem?
a)
A pond ecosystem is usually more shallow.
b)
A pond ecosystem usually has more organisms.
c)
A pond ecosystem usually receives less sunlight.
20.
Which part of the ocean receives the LEAST amount of sunlight?
a)
top
b)
middle
c)
bottom
21.
What does the term "terrestrial" mean?
a)
Water-based ecosystem
b)
Land-based ecosystem
22.
What does the term "aquatic" mean?
a)
Water-based ecosystem
b)
Land-based ecosystem
23.
Which of the following describes the leaves in a coniferous forest?
a)
circular-shaped
b)
square-shaped
c)
pointy with needles
24.
Which of the following ecosystems is where the freshwater river meets the ocean?
a)
lakes and ponds
b)
marshes
c)
estuary
25.
This ecosystem would have many trees.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
26.
This ecosystem contains salt water.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
27.
This ecosystem contains brackish water
a)
Forest
b)
Estuary
c)
Ocean
d)
Lakes/Ponds
28.
This ecosystem has very few trees and a lot of varieties of grasses.
a)
Forest
b)
Grassland
c)
Wetland
d)
Lakes/Ponds
29.
Rain forests, temperate forests, deciduous forests, coniferous forests, and taigas are all types of _____________.
a)
forests
b)
grasslands
c)
wetlands
d)
oceans
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