Ecosystem Dynamics and Food Webs

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Once again, complete the entire thing and get 70% or higher for full credit.

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Monday and Tuesday Quizizz are open to to be completed. Yesterday's quizizz has a deadline of midnight.

This quizizz has a deadline of Sunday at midnight.

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Why do living organisms need food?

• To satisfy hunger

• To provide energy for growth and movement

• To enjoy different tastes

• To pass time

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What is the primary source of food for plants?

• Insects

• Sunlight

• Water

• Soil nutrients

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In a food chain, where does the energy originate?

• The soil

• The air

• The sun

• The water

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What is a food chain?

• A type of plant

• A group of animals living together

• A method of cooking

• A sequence of events where one organism eats another

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How do food webs differ from food chains?

• Food webs only include plants

• Food webs are more complex and interconnected

• Food webs are only found in forests

• Food webs are simpler

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What role do decomposers play in a food web?

• They produce energy from the sun

• They eat only plants

• They are at the top of the food chain

• They break down dead matter

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What happens when a species is removed from an ecosystem?

• New species immediately replace it

• It can disrupt the entire food web

• The ecosystem becomes more balanced

• Nothing changes

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How do changes in habitat conditions affect food webs?

• They have no effect

• They only affect non-living things

• They can alter the types of plants and animals present

• They make food webs simpler

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