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WorksheetsEcosystems
Total questions: 19
Worksheet time: 14mins
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
All the living and nonliving things in an area make up a/an
community.
ecosystem.
population.
environment.
An organism that makes its own food is a/an
producer.
consumer.
predator.
prey.
An _____ is everything that surrounds and affects a living thing.
ecosystem
environment
population
community
A ________ is all the members of one kind of plant or animal in a community.
ecosystem
environment
population
community
Two or more overlapping food chains form a/an
food chain
food web
community
population
Without the Sun, which of Earth's organisms could no longer survive?
producers only
producers and consumers
scavengers only
nearly all organisms
