What Makes an Ecosystem Lesson

• biotic

• abiotic

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What type of organism always starts the food chain?

• Producer (Plants)
• Consumers (Organisms)
• Predators (Organisms)
• Decomposers 

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What do arrows in a food web show?

• the flow of energy and matter in an ecosystem

• what predators eat

• movement

• where consumers get food

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What organism, or organisms, go in the green circle?

• trees, elephants, grasses

• rocks

• all the giraffes

• sunlight

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What type of organism is the small fish?

• producer

• decomposer

• primary consumer

• secondary consumer

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Are dead organisms considered biotic or abiotic

• biotic because it used to be living

• abiotic because its not living

• biotic because other things eat it

• abiotic because it produces gases

This picture shows a

• community

• ecosystem

• population

• individual

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NGSS.MS-LS2-1

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Which is an ABIOTIC interaction a horse has in its ecosystem?

• the horse eats 25 lbs of grass

• the horse swats flies away with its tail

• the horse drinks water

• the horse runs away from mountain lions

Which is a BIOTIC interaction a sea urchin has with its ecosystem

• It lives underwater

• It sticks to rocks

• It eats seaweed

• It breathes dissolved oxygen

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NGSS.MS-LS2-2

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Which is a BIOTIC interaction in a classroom

• Students sit in metal chairs

• Students breathe oxygen

• Students ask the teacher to go to the bathroom

• Students use pens to write notes