WorksheetsEnergy Flow Review
Total questions: 15
Worksheet time: 14mins
The arrows in a food chain or web represents what?
They point to the organism that is being eaten.
It shows how sunlight flows within an ecosystem.
They show what direction the energy is flowing between organisms.
They represent how water is transferred within a habitat.
Organisms that create their own energy from sunlight or chemicals
Herbivore
Omnivore
Autotroph
Heterotroph
In any food chain, the first trophic level is occupied by
Herbivores
Carnivores
Producers
Secondary consumers
Look at the diagram of the food web. The arrows means “eaten by.”
What will happen if the number of snakes goes down?
The owl will eat the grass
The number of frogs will go down
The hawk and owl will have less food
The number of mice and grasshoppers will go up.
The transfer of energy from one organism to the next in an ecosystem begins with a producer. A producer is an organism that produces its own food. A consumer is an organism in a food chain that obtains energy from producers or other consumers; consumers may be herbivores or carnivores.
Which food chain correctly describes the flow of energy in an ecosystem?
grass → grasshopper → fish → human
grasshopper → fish → human
human → fish → grasshopper
human → grasshopper → fish → grass
Name the correct trophic level for level 3.
Consumer
Secondary
Producer
Decomposer
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
10Kcal
1Kcal
100Kcal
1000Kcal
Which level has the fewest organisms?
Tertiary
Secondary
Primary
Quaternary
Temperature is a _________factor
Biotic
Abiotic
living
cool
Soil is an example of a
Biotic factor
Abiotic factor
competition
herbivorous
