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WorksheetsEcosystems Review 1
Total questions: 20
Worksheet time: 7mins
Name
Class
Date
1.
Which is an example of a biotic factor?
a)
dead fox
b)
rock
c)
soil
d)
water
2.
Which is an example of an abiotic factor?
a)
soil
b)
algae
c)
dead fox
d)
plant
3.
This image shows an example of
a)
food chain
b)
food web
c)
energy pyramid
d)
experimental design
4.
In this picture, the hawk is a
a)
secondary consumer
b)
tertiary consumer
c)
primary consumer
d)
producer
5.
This picture shows an example of
a)
food web
b)
food chain
c)
energy pyramid
d)
hypothesis
6.
In this picture, the phytoplankton have no arrows pointing to it. This means
a)
It doesn't eat anything
b)
It is a carnivore
c)
It eats others
d)
It is a primary consumer
7.
The arrows in a food chain stand for
a)
energy movement
b)
consumers
c)
producers
d)
photosynthesis
8.
An organism that makes its own food from photosynthesis is
a)
a producer
b)
a consumer
c)
a scavenger
d)
a decomposer
9.
An organism (like worms, bacteria, mushrooms) that breaks down dead organisms and returns nutrients to the soil is known as
a)
decomposer
b)
scavenger
c)
producer
d)
consumer
10.
An example of a scavenger is
a)
a crow eating a dead deer on the side of the road
b)
a pack of wolves eating a deer
c)
a hunter shooting and eating a deer
d)
maggots and worms feeding on a dead deer and breaking it down
11.
Three things needed for photosynthesis are
a)
sun, water, carbon dioxide
b)
sun, water, oxygen
c)
water, oxygen, carbon dioxide
d)
glucose, water, sun
12.
2 things made in photosynthesis are
a)
oxygen and glucose
b)
carbon dioxide and glucose
c)
water and glucose
d)
water and sun
13.
Another name for plant food is
a)
glucose
b)
photosynthesis
c)
carbon dioxide
d)
soil nutrients
14.
This is an example of
a)
energy pyramid
b)
food web
c)
food chain
d)
food pyramid
15.
Which organisms have the most energy?
a)
algae, leaves
b)
snails, small fish, insects
c)
large fish
d)
hawk
16.
Cellular respiration is
a)
how organisms get energy out of their food
b)
how plants make their own food
c)
a living thing in an ecosystem
d)
another name for biotic factors
17.
2 things needed for cellular respiration are
a)
oxygen and glucose
b)
carbon dioxide and glucose
c)
oxygen and carbon dioxide
d)
energy and water
18.
3 things made in cellular respiration are
a)
energy, water and carbon dioxide
b)
energy, water and oxygen
c)
water, oxygen and glucose
d)
oxygen, sunlight and water
19.
Where does photosynthesis happen in a plant cell?
a)
chloroplast
b)
mitochondria
c)
leaf
d)
stem
20.
Where does cellular respiration happen in any cell?
a)
mitochondria
b)
chloroplast
c)
chlorophyll
d)
leaf
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