Exploring Food Chains and Webs

What is the role of a hawk in the food chain described?

• Prey to the wren

• Predator to the caterpillar

• Top predator

• Producer of energy

Which organism can produce its own food?

• Hawk

• Green plants

• Caterpillar

• Wren

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Which animal is not directly linked to green plants by diet?

• Caterpillar

• Hawk

• Grasshopper

• Cow

What does a food web represent?

• A map of animal habitats

• The lifecycle of a plant

• Interconnected food chains

• A single linear food chain

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What illustrates multiple interconnected food chains?

• Energy pyramid

• Food chain

• Food web

• Biomass distribution

Which creatures start the marine food chains?

• Seals

• Krill

• Large fish

• Tiny green plants

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NGSS.MS-LS2-3

Which of the following is a primary producer in aquatic food chains?

• Phytoplankton

• Sharks

• Whales

• Fish

Tags

NGSS.MS-LS2-3

What happened when sea otters were nearly hunted to extinction?

• None of the above

• Both A and B

• Decrease in kelp beds

• Increase in sea urchin population

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What is the consequence of removing a top predator from a food chain?

• Decrease in plant life

• Increase in its prey population

• No change to the ecosystem

• All animals become herbivores

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What is the impact of humans catching large amounts of krill?

• No impact on marine ecosystems

• Decrease in whale populations

• Increase in fish populations

• Improvement in marine plant life

Tags

NGSS.MS-LS2-1

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