Food Chains/Webs Test

What is the source of energy for the grass?

• Air
• Sun
• Vole
• Barn Owl

Which of the following food web is a decomposer?

• Bacteria
• Hawk
• Rabbit
• Grass
• Grasshopper

Select all the organisms that may be causing damage to the fruit tree based on how they get their energy? (Select all that apply)

• Frogs
• Insects
• Squirrels
• Racoons
• Garden Snails

Based on the above question regarding the damaged fruit trees, which below would be the fill in the blank box given

• Fruit Trees
• Frogs
• Insects
• Squirrels
• Racoons

Based on the Fruit Tree Question above, which organism(s) that only eat plants, would the park ranger need to remove?. Select all that would apply

• Frogs
• Insects
• Racoons
• Squirrels
• Garden Snails

Which food web shows the flow of energy among the woodland organisms?

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Perch are a type of fish that live in Lake Erie. Perch use energy to avoid predators. Which statement describe how perch get their energy to avoid predators, based on the food web?

• The perch are herbivores that get their energy from eating photosynthetic organisms.
• The perch are consumers that get their energy from eating other consumers that eat producers.
• The perch are photosynthetic organisms that get their energy from sunlight entering the ecosystem.
• The perch are consumers that get their energy from eating Trout, which are consumers in the ecosystem.

Students in the fifth grade want to set up an aquarium that is like a natural environment. They want the aquarium to run on its own without cleaning, feeding, filters or air pumps. To do this the aquarium must contain organisms to fill all the roles in a complete food chain. Which aquarium design shows all the roles in a food chain?

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Which fish would complete the missing box in the below food chain?

• Alewife
• Common Carp
• Round Goby
• White Bass

A savanna ecosystem has tall grasses that are eaten by zebras and gazelles. Cheetahs hunt gazelles and zebras as prey. Which explains one way energy flows through the ecosystem?

• Cheetahs provide energy to the tall grasses.
• Zebras and gazellas provide energy to the cheetahs
• Cheetahs provide energy to the zebras and gazelles
• Zebras and gazelles provide energy to the tall grasses.