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WorksheetsEcosystems
Total questions: 15
Worksheet time: 8mins
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
In any community, which group includes the largest number of animals?
herbivores
prey
predators
consumers
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
All the living things in an ecosystem make up a ________.
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
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
What is the best choice for studying decomposers at work?
a rotting log on the forest floor
a live, healthy tree
a robin that builds a nest in a tree
cut wood at a lumber yard
How many organisms make up a typical food chain?
1 or 2
3 to 6
10 to 50
more than 50
Which of the following would be at the end of a food chain?
grass
fungi
sheep
coyote
In a diagram of a food web, the arrows show the flow of
soil
sunlight
oxygen
energy
