WorksheetsFlow of Matter and Energy in the Ecosystem
Total questions: 20
Worksheet time: 38mins
Put the levels from largest to smallest
Biosphere
Biome
Ecosystem
Community
Population
A caterpillar eats a leaf, and a bird eats the caterpillar. In this interaction, the bird is a:
producer
herbivore
primary consumer
secondary consumer
The diagram shows a food web from a forest ecosystem.
Based on the food web, which is a true statement?
A decrease in the population of owls may eventually decrease the population of lizards.
A decrease in the population of beetles may eventually decrease the population of snakes.
An increase in the population of beetles may eventually decrease the population of snakes and lizards.
An increase in the owl population may eventually increase the population of snakes and lizards.
What are always on the first level in a food chain?
heterotrophs
autotrophs
consumers
herbivores
On average, how much of the available energy from one trophic level is transferred to the next trophic level in a food chain?
10%
25%
50%
90%
In the food web above, what organism is a tertiary consumer?
Fox
Frog
Vole
Grass
What term describes the position of an organism on the food chain?
food web
energy levels
trophic levels
matter cycle
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 the direction the energy is flowing between organisms.
They represent how water is transferred within a habitat.
