NEW
Font size
S
M
L
XL
WorksheetsEcosystems Energy
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
Where does most of the energy in an ecosystem originate?
a)
The Sun
b)
The moon
c)
Earth's core
d)
Plants
2.
Which of these is a "producer"?
a)
An oak tree
b)
A wolf
c)
A squirrel
d)
A mushroom
3.
Which of these does cellular respiration?
a)
Producers
b)
Consumers
c)
All living things
d)
Only bacteria
4.
How do plants store the energy produced by photosynthesis?
a)
As carbohydrates (sugars & starch)
b)
As protein in the stem
c)
As lipids in the roots
d)
In stomata on the leaves
5.
Which of these is always a primary consumer, and thus only eats plants?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
6.
Which of these can be a primary or a secondary consumer, as it eats both plants & animals?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
7.
Which of these is usually a predator, because they do not eat plants.
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
8.
What does a scavenger eat?
a)
Any prey that it can catch.
b)
Fresh plants only.
c)
Things that are already dead.
d)
Only pepperoni pizza
9.
Which of these is a decomposer?
a)
Bacteria
b)
Worms
c)
Fungus
d)
All of these
10.
All steps in a food chain always involve a loss of...
a)
light
b)
mass
c)
time
d)
energy
11.
Much of the energy consumed by an organism is lost in the form of _______________ before it can be passed onto another consumer.
a)
Heat
b)
Water
c)
Sugar
d)
Photosynthesis
12.
A/an ___________ is a step in a food chain (how many organisms the sun’s energy has passed through).
a)
Abiotic factor
b)
Trophic level
c)
Adaptation
d)
Niche
13.
What kinds of organisms are in the first trophic level?
a)
Producers
b)
Primary consumers
c)
Secondary consumers
d)
Tertiary consumers
14.
In this foodweb, what niche does the butterfly fill?
a)
Primary consumer
b)
Omnivore
c)
Secondary consumer
d)
Producer
15.
This is an example of which type of a relationship?
a)
Predation
b)
Parasitism
c)
Competition
d)
Mutualism
16.
This is an example of which type of a relationship?
a)
Competition
b)
Commensalism
c)
Predation
d)
Parasitism
17.
This is an example of which type of a relationship?
a)
Mutualism
b)
Competition
c)
Commensalism
d)
Parasitism
18.
In which of these does one species benefit while the other is neither helped nor harmed?
a)
Competition
b)
Commensalism
c)
Mutualism
d)
Parasitism
19.
What is illustrated here?
a)
A food chain
b)
The carbon cycle
c)
Succession
d)
Abiotic factors
20.
Which of these would be considered an abiotic factor in an ecosystem?
a)
The producers
b)
The consumers
c)
The temperature
d)
The decomposers
Reset
