A nonliving element in an ecosystem is an 

• animal
• abiotic factor
• biotic factor
• organism

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What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

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DEFINE THE WORD HABITAT.

• IS A PLACE WHERE A PLANT OR ANIMAL LIVES: GIVES FOOD, WATER, AND SHELTER.

• IS A LARGE GROUP OF ANIMAL.

• IS A MAIN ROAD.

• SHOW WHAT A PLACE LOOKED LIKE LONG AGO.

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All the different populations that live together in an area are called?

• habitat

• population

• community

• ecosystem

The study of how living things interact with each other and with their environment.

• Economy

• Biology

• Ecology

• Taxonomy

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What is an ecosystem?

• a group of animals in one spot.

• all the living and non living things that interact in a area

• The study of ecology as a system

• the way insects are eaten by fish and birds.

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Which of these is NOT an example of an ecosystem?

• Rainforest
• A city
• Desert
• Deep ocean

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Which is a non-living part of an ecosystem?

• Sunlight
• Air
• Water
• All of these

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Which ecosystem is usually found near the earth's equator where it is very warm and has lots of trees and animals such as parrots and jaguars.

• Rainforest
• Desert
• Taiga
• Chapparal

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Which ecosystem has kelp, otters, and seals?

• Freshwater
• Deep Ocean
• Taiga
• Coastal

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