ecosystems
Help!
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| An ecoystem is _______. | a community of plants and animals
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| An organism is a ____________-. | living thing.
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| population | the number of one type of organism that lives in an area. ex. just raccoons
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| community | all the animals and plants that live in the same place. Ex. trees, rabbits, birds, squirrels
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| 4 terrestrial (land) ecosystems | forest, rainforest, grasslands, and desert
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| 6 aquatic(water) ecosystems | oceans, rivers, ponds, lakes, marshes, swamps
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| If an animal is taken away from an ecosystem then the other animals _____________ | will be affected.
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| rainforest. | wet, warm, most plants and animals live here,organisms compete for sun and space
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| desert. | dry, organisms compete for water
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| grassland. | flat open areas of grasses and a few trees
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| forest. | lots of trees and climate changes with the seasons.
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| What is the difference between deciduous and evergreen forests? | Deciducus trees lose their leaves and evergreens don't.
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| ocean | large body of salt water
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| river | water moves from high to low areas
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| marshes | shallow water with grasses
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| pond and lakes | water with land around them pond is smaller than a lake
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| swamps | water that doesn't move very much, trees grow in swamps
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Created by:
cparks3
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