WorksheetsScience Unit A Ch. 3
Total questions: 12
Worksheet time: 24mins
Name
Class
Date
1.
Which of the following could be a nonliving part of an ecosystem?
a)
sunlight
b)
moon
c)
spider
d)
tree
2.
All animals and plants live in a
a)
biology.
b)
lichen.
c)
planet.
d)
habitat.
3.
Plants get energy from the
a)
air.
b)
sun.
c)
food they eat.
d)
minerals in the soil.
4.
In what part of the plant is light energy changed into energy the plant can use?
a)
in the roots
b)
in the fruit
c)
in the flowers
d)
in the leaves
5.
What color is chlorophyll?
a)
no color
b)
yellow
c)
green
d)
brown
6.
In photosynthesis, a plant produces all of the following EXCEPT:
a)
sugar
b)
carbon dioxide
c)
oygen
d)
water
7.
How does a deer get energy to survive?
a)
by making sugar from the sun
b)
by eating plants
c)
by eating other animals
d)
by breaking down the bodies of dead plants and animals
8.
If an animal is an herbivore, then you know about
a)
what the animal eats.
b)
where the animal lives.
c)
how the animal reproduces.
d)
how long the animal lives.
9.
What happens to an oak leaf that falls to the ground?
a)
It melts.
b)
It turns into a new oak leaf.
c)
It is broken down by decomposers.
d)
It is eaten by scavengers.
10.
Energy is passed from one organism to another in
a)
sunlight.
b)
a food chain.
c)
consumers.
d)
deforestation.
11.
In a food web, the organisms at the bottom are usually
a)
producers.
b)
predators.
c)
prey.
d)
carnivores.
12.
What might happen in a food web if good weather makes the plant population increase?
a)
The herbivores and carnivores will decrease.
b)
The herbivores will in crease and the carnivores will decrease.
c)
The herbivores and the carnivores will increase.
d)
There will be no change.
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