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WorksheetsPopulation Change
Total questions: 20
Worksheet time: 35mins
In a meadow ecosystem, a population of rabbits increases. What populations are most likely to increase as a result?
foxes, hawks, and other predators of the rabbits
leafy plants that rabbits eat
rabbits that live elsewhere
worms that live in the meadow soil
Without decomposers, what would build up on the ground and not return to the soil?
large rocks
rain water
bacteria and other microorganisms
dead plant and animal matter
An organism that makes its own food is a/an
producer.
consumer.
predator.
prey.
Two or more overlapping food chains form a/an
food chain
food web
community
population
To avoid being eaten, a rabbit will run away from
carnivores.
scavengers.
herbivores.
producers.
Without the Sun, which of Earth's organisms could no longer survive?
producers only
producers and consumers
scavengers only
nearly all organisms
How many organisms make up a typical food chain?
1 or 2
3 to 6
10 to 50
more than 50
In a diagram of a food web, the arrows show the flow of
soil
sunlight
oxygen
energy
