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WorksheetsInteractions within Ecosystems
Total questions: 20
Worksheet time: 34mins
Name
Class
Date
1.
The raw materials of photosynthesis are sulfur dioxide and water, and light is the energy source.
a)
True
b)
False
2.
Energy moves through a food chain from producers to consumers.
a)
True
b)
False
3.
Photosynthesis is responsible for growth in plants.
a)
True
b)
False
4.
Consumers are able to make their own food.
a)
True
b)
False
5.
Food chains show the connection between several different food webs in an ecosystem.
a)
True
b)
False
6.
Only about 40% of energy that an organism eats is passed on to the next organism in the food chain.
a)
True
b)
False
7.
Energy is lost at each level of food chain.
a)
True
b)
False
8.
When any part of a food web changes, it affects the flow of energy throughout the web.
a)
True
b)
False
9.
Earth’s temperature increases when more carbon enters the atmosphere.
a)
True
b)
False
10.
Scavengers eat dead animals, plants and their waste.
a)
True
b)
False
11.
_____ is the source of energy for almost all life on Earth.
a)
Food
b)
Water
c)
Sun
d)
Air
12.
________ is found in all living things.
a)
Carbon
b)
Water
c)
Air
d)
All the above
13.
______________ show(s) how energy and nutrients are transferred from one organism to another in an ecosystem.
a)
Food Webs
b)
Food Chains
c)
Photosynthesis
d)
Cycles
14.
Consumers that eat other animals are called _____________.
a)
Herbivores
b)
Producers
c)
Carnivores
d)
Scavengers
15.
The amount of matter on Earth remains the same over long periods of time through ____________ .
a)
Plants
b)
Food Chain
c)
Food Web
d)
Cycle
16.
If a producer is removed from a food chain, then the populations of other organisms will ______________ .
a)
Stay the same
b)
Increase
c)
Decrease
17.
Most living things are made largely of ___________ .
a)
Bones
b)
Water
c)
Air
d)
Hair
18.
____________ feed on decayed matter left behind by consumers and detrivores.
a)
Carnivores
b)
Detrivores
c)
Omnivores
d)
Scavengers
19.
The products of ___________________ are glucose and oxygen.
a)
Water Cycle
b)
Energy
c)
Photosynthesis
d)
Carbon Cycle
20.
Coyotes and ravens are _____________
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Scavengers
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