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WorksheetsEcosystems
Total questions: 20
Worksheet time: 33mins
What does this picture show?
Organism
Population
Community
Ecosystem
What change would most likely cause a deer to die or leave the woods?
A rainstorm
a snow storm
a sinkhole
a forest fire
Heavy rains can cause flooding. Which animals would MOST likely thrive?
deer
mice
cougars
otters
What can plants use to get water when there is a drought?
Plants do not need water to live.
Plants cannot move.
Plants can get water with their roots underground.
Plants take in oxygen.
What can harm a habitat?
Sun shining in the sky
planting trees
water pollution
rain fall
What would happen to the small fish in a food chain if the larger fish were taken out of the food chain.
The population of the small fish would decrease because the larger fish that was eaten by the biggest fish would increase
The population of the larger fish would increase
Nothing it would stay the same.
the population of the fish that the larger fish ate would be the same.
What is the main source of energy originate in a food chain?
The water
The sun
The cow
the person
Which pair of populations would most likely live in the same ecosystem
parrots and polar bears
dolphins and seaweeds
Parrots and sharks
deer and octopus
Which organisms would be unable to escape and therefore perish from a fire?
the deer
the birds
the tree
the raccoon
What would happen to this food chain if there was no grass?
The grasshoppers would eat the mice, and the snakes would move away.
The mice would have more grasshoppers to eat.
The snake population would increase.
The grasshopper population would decrease.
The removal of which organism would cause all other populations to decrease?
small ocean plants
small ocean animals
tuna
shark
What might happen to the rest of the food chain if there was an increase in the grasshopper population?
The mouse population will decrease.
The snake population will decrease.
The hawk population will decrease.
The grass population will decrease.
What do organisms need to survive?
Food, water, shelter, and air.
Food and Air
Water and Air
Trees and Air
Which physical characteristic of animals is most helpful to survival in desert ecosystems?
Ability to store/save water in their bodies
Thick fur
Smooth, slippery skin
Long claws
Which of the following correctly shows how energy moves through a food chain?
Sun → plants → plant eaters → meat eaters
Sun → meat eaters → plants → plant eaters
Sun → plant eaters → meat eaters → plants
Sun → plants → meat eaters → plant eaters
In this diagram below, which organism would have the MOST impact if removed from the food chain?
Snake
Hawk
Mouse
Plants
