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WorksheetsFood Webs-Food Chains in the Ecosystem
Total questions: 16
Worksheet time: 14mins
Which statement BEST describes the energy transfer of organisms eating other organisms?
More energy is available after each transfer.
Less energy is available to higher consumer levels.
Energy transfer is greatest among primary consumers.
Energy transfer to secondary consumers is greater than to primary consumers.
Producers are found at the bottom of the pyramid because producers
provide energy for consumers.
have less mass than consumers.
have fewer species than consumers.
depend on consumers.
Which organisms break down dead matter and recycle nutrients back into the ecosystem?
grasses and trees
rabbits and deer
lions and alligators
mushrooms and bacteria
The nitrogen cycle is important to plants because
nitrogen in the water is healthy.
plants cannot use nitrogen as it is
plants need ammonia to photosynthesize.
most nitrogen comes from rocks in the soil.
Decaying plants and animals are important to an ecosystem because they
cause disease in living organisms.
reduce soil erosion.
recycle oxygen to the air.
return nutrients to the soil.
Within a cave environment, bat waste products, called guano, are decomposed by organisms such as fungi and bacteria. These are then eaten by creatures such as flatworms. Larger animals like salamanders eat flatworms. Which correctly represents the energy flow described?
Fungi → Bacteria → Salamanders → Guano
Bats → Guano → Flatworms → Salamanders
Salamanders → Fungi → Bacteria → Flatworms
Guano → Bacteria → Flatworms → Salamanders
Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...
mouse
rabbit
wildflowers
snake
Click on the image to make it larger-- Choose the living things that are producers...
wildflowers
rabbit
snake
grass
A ____________________ shows how energy is passed from one living thing to another...
ecosystem
food chain
habitat
Why might an organism have more than one arrow coming from them in a food web?
More than one organism may eat them.
They may eat more than one other organism.
This organism gets its energy from multiple sources.
Grass > Grasshopper > Bird > Snake
