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WorksheetsEcosystems & Energy
Total questions: 11
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following are abiotic factors in an ecosystem?
a)
Sunlight, water, temperature
b)
Sunlight, bacteria, fungi
c)
Grass, dragonflies, birds
d)
Fish, turtles, deer
2.
Which is a producer?
a)
deer
b)
grass
c)
lion
d)
worm
3.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
4.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
5.
In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?
a)
The other organisms attacks the toad population
b)
The ecosystem would be destroyed
c)
The cane toads would get too much food and die
d)
The food web was changed by this one organism
6.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
7.
All food webs and food chains begin with _________________.
a)
primary consumer
b)
producers
c)
secondary consumers
d)
predators
8.
The many overlapping food chains in an ecosystem make up an
a)
food web
b)
niche
c)
energy pyramid
d)
feeding level
9.
Is the rabbit in the same food chain as the owl?
a)
No
b)
Yes
10.
What is an organism that breaks down & absorbs dead matter so nutrition can be recycled into the soil?
a)
Consumer
b)
Decomposer
c)
Producers
d)
Scavenger
11.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
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