Food Webs Question Preview (ID: 37069)


5.9B. TEACHERS: click here for quick copy question ID numbers.

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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