WorksheetsEnergy Flow in Ecosystems
Total questions: 13
Worksheet time: 7mins
What is an ecosystem?
All living and nonliving things that interact in an area
All of the physical characteristics of an area
All the living things that interact in an area
All of the nonliving things that interact in an area
What is the original source of energy for organisms in a food chain?
Plants
Animals
Sunlight
Consumers
Which is the best definition of a food chain?
A model of consumers providing energy to producers.
A method for growing plants without soil.
A process by which plants make food from energy in sunlight.
A path by which energy flows from one living thing to another.
In the food chain below, which organism is the producer?
Grass --> Mouse --> Snake --> Hawk
Grass
Mouse
Snake
Hawk
Which organisms make their own food?
Producers
Consumers
Decomposers
Which organisms obtain energy by eating other living organisms?
Producers
Consumers
Decomposers
Which organisms break down wastes and dead organisms and return the raw materials to the environment?
Producers
Consumers
Decomposers
Which of the following is the LOWEST trophic level in the pyramid?
Primary Consumer
Producer
Tertiary Consumer
Herbivore
How much energy gets transferred from one trophic level to the next?
50%
25%
10%
100%
Which trophic level has the HIGHEST population (population = the number of organisms)?
Apex Predator
Producer
Herbivore
Omnivore
What is this an example of?
Food Chain
Food Web
Energy Pyramid
In a diagram of a food web, the arrows show the flow of _________.
Soil
Sunlight
Oxygen
Energy
In the food web above, what eats the rabbit?
Fox
Hawk
Vole
Grass
