WorksheetsEnergy In Ecosystems
Total questions: 10
Worksheet time: 20mins
What is the first and main source of energy for all living things?
the moon
the sun
water
food
What is the main difference between a producer and consumer?
A consumer makes its own food, but a producer must get food from other living things.
A producer makes its own food, but a consumer must get food from other living things.
A producer is part of a food chain, but a consumer is part of a food web.
A consumer is part of a food chain, but a producer is part of a food web.
Which sentence correctly uses the word PHOTOSYNTHESIS?
Some cameras use a process called photosynthesis to turn light into digital pictures.
Animals use photosynthesis to make food using energy from the Sun and matter from air and water.
Plants use photosynthesis to make food using energy from the Sun and matter from air and water.
Photosynthesis explains how plants and animals compete for natural resources.
Which sequence shows the correct order of living things in a food chain?
leaves-->deer-->wolf
salmon-->insects-->black bear
hamster-->parakeet-->dog
berries-->moose-->snake
Why is the base of an energy pyramid wider than the top?
There are usually many more producers than top predators in an ecosystem.
Only a small portion of energy can be passed from a lower level to the level above it.
Both statements are true.
Neither statement is true.
Which group of living things can move matter from consumers at the top of a food chain back to producers at the bottom?
decomposers
producers
consumers
nothing can move matter back to the bottom of a food chain
How would a sudden decrease in the rabbit population on an island affect other species there?
The population of eagles would probably increase.
The population of ladybugs would probably increase.
The population of blue jays would probably decrease.
The population of foxes would probably decrease.
Owl is related to mouse in the same way that predator is related to _____.
herbivore
prey
consumer
decomposer
Why do animals have adaptations?
There is competition of the same food sources.
Ecosystems can change.
Special body parts and behaviors are needed for survival.
All options are true.
Which living thing is most likely to be between a polar bear and a fish in a food chain?
a harp seal
arctic flowers
tiny ice worms
another polar bear
