Food Webs Question Preview (ID: 37069)
5.9B.
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What is the original source of energy in a food web?
a) Decomposers
b) Consumers
c) Producers
d) The Sun
Decomposers like mushrooms get energy by –
a) producing their own food
b) eating grass, fruit, and seeds
c) breaking down dead organisms
d) absorbing carbon dioxide from the air
Green plants are producers that begin the flow of energy between organisms in a food chain when they –
a) reproduce by generating seeds
b) absorb water and nutrients from soil
c) release oxygen into the atmosphere
d) make their own food using sunlight
Mold, fungi, and some types of bacteria are classified as decomposers. What is the role of a decomposer in a food web?
a) To break down organic wastes and dead organisms
b) To use sunlight and water to produce their own food
c) To release oxygen into the atmosphere for respiration
d) To provide the energy animals need for food
The ability to make things move
a) Producer
b) Consumer
c) Decomposer
d) Energy
An organism that feeds on dead plants and animals and their waste
a) Producer
b) Consumer
c) Decomposer
d) Energy
An organism that changes sunlight into a usable form
a) Producer
b) Consumer
c) Decomposer
d) Energy
Interconnected food chains
a) Producer
b) Consumer
c) Decomposer
d) Food web
An organism that feeds on producers
a) Producer
b) Consumer
c) Decomposer
d) Energy
What does the arrow in a food web represent?
a) The flow of energy
b) One organisms changing to another
c) One organism moving to another area
d) One organism interacting with another
What does a primary consumer eat?
a) Plants
b) Animals
c) Oxygen
d) Soil
What do secondary consumer eat?
a) plants
b) other animals
c) sunlight
d) soil
What are two organisms that would compete for food?
a) Rabbit and fox
b) Lion and Tiger
c) Deer and shark
d) Spider and Fish
Living things make their own food using air, light, soil and water are called-
a) changers
b) consumers
c) decomposers
d) producers
Which of the following can be considered a predator?
a) Shark
b) Seaweed
c) krill
d) water
What is the source of energy for plants?
a) insects
b) soil
c) sun
d) water
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
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