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Ch. 3 Lesson 1What are parts
of ecosystems?
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ecosystem•all living & nonliving things in an environment & how they interact
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• living things= plants, animals, bacteria, etc.
•nonliving things= water, air, soil, sun
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ecosystem characteristicsdesert
grassland
tundra
forest
tropical rain forest
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desertdesert • driest ecosystemdriest ecosystem
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• covered w/ tall grassescovered w/ tall grasses
• medium amount of rainmedium amount of rain
grasslandgrassland
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tundratundra• cold, drycold, dry• some grasses- no some grasses- no treestrees
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forestforest• filled w/ trees & animalsfilled w/ trees & animals
• more rain than grasslandsmore rain than grasslands
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tropical tropical rain forestrain forest
• rains all yearrains all year
• many different animalsmany different animals
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tropical tropical rain forestrain forest
• rains all yearrains all year
• many different animalsmany different animals
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tundratundra• cold, drycold, dry• some grasses- no some grasses- no treestrees
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forestforest• filled w/ trees & animalsfilled w/ trees & animals
• more rain than grasslandsmore rain than grasslands
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desertdesert • driest ecosystemdriest ecosystem
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• covered w/ tall grassescovered w/ tall grasses
• medium amount of rainmedium amount of rain
grasslandgrassland
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desertdesert
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tropical tropical rain forestrain forest
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forestforest
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population• all the members of 1 species that live
within an area of an ecosystem• size may change depending on
available:– Food– Water– Space
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community• different populations that interact in an area
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habitat• area or place where
an organism lives in an ecosystem
Organism’s address
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niche• specific role an organism has in
its habitat• includes:
–Type of food it eats–How it gets its food–Adaptations
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Ecosystems, Populations and Habitats
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•Name the: population community
habitat niche