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WorksheetsOrganisms in Ecosystems
Total questions: 17
Worksheet time: 3hrs 3mins
Name
Class
Date
1.
Omnivores are:
a)
Organisms that eat both plants and animals
b)
Organims that hunt and eat other animals
c)
organisms that make their own food
d)
Organisms that break down dead things for food
2.
Carnivores are:
a)
Organisms that eat both plants and animals
b)
Organisms that hunt and eat other animals
c)
Organisms that make their own food
d)
Organisms that eat dead things
3.
Plants make their food by:
a)
eating other plants and animals
b)
hunting other animals
c)
breaking down dead things
d)
using photosynthesis
4.
An animal that eats only producers is:
a)
a herbivore
b)
a predator
c)
a prey
d)
an omnivore
5.
A living thing that hunts and eats other animals is a
a)
herbivore
b)
prey
c)
predator
d)
omnivore
6.
An animal that is hunted by other animals is a/an
a)
herbivore
b)
predator
c)
prey
d)
decomposer
7.
An organism that breaks down wastes and plant and animal remains and returns their nutrients to the soil is a/an
a)
consumer
b)
scavanger
c)
decomposer
d)
prey
8.
An animal that eats plants and other animals is a/an:
a)
omniviore
b)
scavanger
c)
decomposer
d)
herbivore
9.
An organism that eats dead plants or animals is a/an
a)
consumer
b)
scavenger
c)
decomposer
d)
predator
10.
A green molecule that enables plants to turn water, carbon dioxide, and sunlight into sugars is a/an
a)
photosynthesis
b)
mitochondria
c)
organelle
d)
chlorophyll
11.
An organism that cannot make its own food is a/an
a)
consumer
b)
prey
c)
omnivore
d)
herbivore
12.
Decomposers break down the remains of :
a)
producers
b)
living organisms
c)
consumers
d)
dead organisms
13.
Decomposers return ______ to the soil.
a)
animals
b)
nutrients
c)
soil
d)
water
14.
All scavengers are consumers:
a)
true
b)
false
15.
Plants tak in _______ and give off _______
a)
oxygen, carbon dioxide
b)
water, oxygen
c)
carbon dioxide, oxygen
d)
oxygen, water
16.
Plants are
a)
producers
b)
consumers
17.
Star fish are
a)
producers
b)
consumers
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