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Food Webs
Test Description: 5.9B
Instructions: Answer all questions to get your test result.
1) What is the original source of energy in a food web?
A
Decomposers
B
Producers
C
Consumers
D
The Sun
2) Decomposers like mushrooms get energy by –
A
breaking down dead organisms
B
absorbing carbon dioxide from the air
C
producing their own food
D
eating grass, fruit, and seeds
3) Green plants are producers that begin the flow of energy between organisms in a food chain when they –
A
absorb water and nutrients from soil
B
reproduce by generating seeds
C
make their own food using sunlight
D
release oxygen into the atmosphere
4) Mold, fungi, and some types of bacteria are classified as decomposers. What is the role of a decomposer in a food web?
A
To provide the energy animals need for food
B
To use sunlight and water to produce their own food
C
To release oxygen into the atmosphere for respiration
D
To break down organic wastes and dead organisms
5) The ability to make things move
A
Decomposer
B
Producer
C
Energy
D
Consumer
6) An organism that feeds on dead plants and animals and their waste
A
Decomposer
B
Energy
C
Producer
D
Consumer
7) An organism that changes sunlight into a usable form
A
Decomposer
B
Energy
C
Consumer
D
Producer
8) Interconnected food chains
A
Producer
B
Decomposer
C
Consumer
D
Food web
9) An organism that feeds on producers
A
Decomposer
B
Producer
C
Energy
D
Consumer
10) What does the arrow in a food web represent?
A
The flow of energy
B
One organism moving to another area
C
One organisms changing to another
D
One organism interacting with another
11) What does a primary consumer eat?
A
Oxygen
B
Plants
C
Animals
D
Soil
12) What do secondary consumer eat?
A
soil
B
sunlight
C
other animals
D
plants
13) What are two organisms that would compete for food?
A
Rabbit and fox
B
Deer and shark
C
Spider and Fish
D
Lion and Tiger
14) Living things make their own food using air, light, soil and water are called-
A
decomposers
B
producers
C
changers
D
consumers
15) Which of the following can be considered a predator?
A
water
B
Shark
C
Seaweed
D
krill
16) What is the source of energy for plants?
A
sun
B
soil
C
water
D
insects
17) Grass is eaten by a bug. The bug is eaten by a spider. Which organism is a secondary consumer?
A
Grass
B
Bug
C
Spider
D
Sun
*select an answer for all questions
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