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The original source of energy for a food web is...

• plants

• sun

• producers

• decomposers

Decomposers get energy from...

• the sun

• eating plants

• eating animals

• dead things and waste

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

Who is the producer?

• lettuce

• greenfly

• ladybird

• thrush

The deer population has significantly increased in an ecosystem, the best hypothesis is 

• the deer's main predator has been eliminated
• competition increased
• decreased water levels of local ponds
• organisms that rely on similar food sources migrated to the area

Which relationship describes predator/prey

• hawks and shrubs
• mountain lion and deer
• frogs and trees
• grasses and crickets

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

Which type of organism should replace the X in the food web?

• an omnivore

• an herbivore

• a carnivore

• a producer

Which list contains only animals that receive energy transferred directly from consumers in this food web?

• Red-tailed hawks, snowshoe hares, and caterpillars

• Snowshoe hares and caterpillars

• Snowshoe hares and shrews

• Shrews and red foxes