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WorksheetsFlow of Energy in Ecosystems
Total questions: 20
Worksheet time: 10mins
How much energy gets transferred from one level of an energy pyramid to the next?
10%
5%
90%
50%
How much energy gets transferred from one level of an energy pyramid to the next?
10%
5%
90%
50%
What does the arrow in a food chain mean?
The direction of energy flow
Which animal is eaten
The exchange of oxygen and carbon dioxide
How energy gets broken down
A rabbit eats grass. What is true of both the rabbit and the grass?
The rabbit and the grass are both producer
The rabbit and the grass are both consumers
The rabbit is a producer and the grass is a consumer
The rabbit is a consumer and the grass is a producer
Which is possible based on the diagram?
Sun → grass → robin
Plant seeds → field mouse → robin
Eagle → deer → plant seeds
Grass → deer → mountain lion
What first gets the energy from the sun?
decomposers
producers
carnivores
primary consumers
Where does most energy come from
primary consumers
decomposers
the moon
the sun
What does the arrow between the mouse and the owl represent?
Energy flowing from the producer to consumer
Energy flowing rom consumer to producer
Energy flowing from the owl to the mouse
Energy flowing from the mouse to the owl
Breaks down plant and animal remains and waste into molecules that producers reuse to make energy
Producer
Decomposer
Omnivore
Carnivore
Which of the following would be a primary consumer?
hawk
cheetah
rabbit
grass
A consumer that eats only plants is a(n) ____.
carnivore
omnivore
herbivore
tertiary consumer
Organisms that eat dead plants and animals are called ____.
Scavengers
Decompsers
Carnivores
Producers
What type of consumer would be at the top of an energy pyramid?
Primary
Secondary
Tertiary
Snakes can eat rabbits. What would happen to the rabbit population if the snake population doubled?
The rabbit population would stay the same
The rabbit population would go down
The rabbit population would go up.
What level would you expect to find at the bottom of an energy pyramid?
tertiary consumer
primary consumer
secondary consumers
Autotrophs/ producers
A consumer that eats only producers.
Primary Consumer
Secondary Consumer
Carnivore
Omnivore
An organism that makes its own food.
Autotroph
Heterotroph
Herbovore
Carnivore
This shows the total energy available at each trophic level of an ecosystem.
Energy Pyramid
Food Chain
Food Web
This organism is always first on a food web.
Plants
The Sun
Apex Predator
Primary Consumer
The energy organisms need to live and grow first enters the ecosystem when-
decomposers break down dead organism
plants take in light energy from the sun
primary consumers eat plants for food
secondary consumers eat primary consumers
