WorksheetsEcosysystems and Energy Transfer
Total questions: 13
Worksheet time: 8mins
According to the food web, what can a grizzly bear can receive energy from?
grass
a rabbit
elk
all of these
Select each correct organism
grass
grasshopper
frog
heron
Producers are organisms that use light energy from the Sun to make food. Which of the following is an example of a producer?
deer
mushroom
grass
wolf
What is the role of the turtle in the food chain shown?
consumer
mammal
decomposer
producer
This gazelle is caught and eaten by a cheetah. When this cheetah dies, it is eaten by a lion. When the lion dies, fungi and microorganisms break down its body, and put the nutrients from it in the soil. Grass then uses these nutrients to grow.
What do the arrows in the above diagram show?
the flow of energy through this ecosystem
The balance of power in this ecosystem
the flow of water through this ecosystem
They point from one organism to its source of food
Which of the following describes what is taking place in the process shown above?
Matter and energy are cycling through an ecosystem
Water is making one complete pass through the water cycle
Old rocks are being broken down, and new ones are being created.
Organisms are using up some of the Sun's energy, causing the sun to become weaker
The arrows in the food web above show the direction in which energy flows. The food web is a _________________.
It shows that all the ______________ animals get by eating other organisms comes from the Sun.
model
experiment
energy
vitamins
light
An organism that makes its own food is known as a _______.
decomposer
carnivore
consumer
producer
In the food chain above, which organism makes its own food?
sunlight
rose
eagle
honeybee
skunk
In this food chain, _______ get energy directly from _______.
moths; bats
bats; moths
bats; flowers
flowers; moths
Select each correct answer. More than one answer may be correct.
How do decomposers help an ecosystem?
Decomposers keep dead matter from "piling up" in an ecosystem.
Decomposers restore essential nutrients to an ecosystem.
Decomposers use sunlight to make food for an ecosystem.
Producers are organisms that use light energy from the Sun to make food. Which of the following is an example of a producer?
mushroom
wolf
grass
deer
Which of the following is true?
Consumers depend on producers for food.
A producer must be a plant.
A person that prepares his/her own meals is a producer.
A producer usually gets food by hunting other organisms.
