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WorksheetsEcosystems
Total questions: 16
Worksheet time: 9mins
All the nonliving parts of an
ecosystem such as water,
soil, air, temperature, light,
nutrients, amount of
precipitation, can be
classified as this type of
factor in an ecosystem.
biotic factors
life factors
abiotic factors
ecosystems
This terrestrial ecosystem
includes many trees; animals
such as black bears, deer,
rabbits, and cardinals can be
found living there.
marshes
grasslands
oceans
forests
(a) ecosystems are water based
In this process, producers
use carbon dioxide, water,
and energy from sunlight to
make their own food.
photosynthesis
habitats
tropism
respiration
This aquatic ecosystem is a
coastal wetland, often
flooded by salty ocean
water.
oceans
salt marshes
rivers
ponds
This is a model that traces
the path of food energy from
the sun, to the producer, to
a series of consumers in an
ecosystem.
energy cycle
nitrogen cycle
food web
food chain
How are hawks, squirrels and tigers alike?
They are best classified as consumers.
They are best classified as producers.
They are best classified as decomposers.
They can be classified as both producers and consumers.
This shallow freshwater
ecosystem is surrounded by
land; the temperature of the
water stays the same from
top to bottom.
grasslands
deciduous forests
lakes
ponds
This terrestrial ecosystem
includes many trees and
receives much more rain
than grasslands; panthers,
monkeys, and snakes are
just a few of the animals that
live there.
grasslands
rainforests
marshes
savannas
Which sentence best describes how organisms get their energy?
They get it directly from the sun
Consumers eat only producers to get energy.
Producers eat consumers to get their energy.
Decomposers feed on decaying organisms and wastes for energy.
Which organism is a producer?
frog
mushroom
grass
lizard
Which is most responsible for recycling dead plants and animals in an ecosystem?
bacteria
water
fish
insects
How would the woodpecker population in a forest most likely be affected if a housing development is built in that area?
They would produce more offspring.
They would change the color of their feathers.
They would experience a decrease in available food.
They would experience a decrease in competition.
In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?
The ecosystem will become overpopulated with snakes.
There will be a decrease in the population of snakes in the ecosystem.
The nutrition in the soil in the ecosystem will decrease.
More types of plants will begin growing in the ecosystem.
As more people have moved to the beach, the sea turtle population has
decreased. Which is most likely the cause of this decrease?
tropical storms
increase in predators
warmer temperatures
habitat loss
A (a) in prey populations will most likely cause a decrease in predator populations?
