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Ecology

Niche

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Lets Review!

  • Biotic
  • Abiotic
  • Ecosystem
  • 4 abiotic factors
  • Organism: two types
  • Species
  • Population
  • Community
  • Biome

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How many species and how many organisms?

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Individual (one organism)? Population? Community?

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Habitat

  • A habitat is a home or location where an organism lives.
  • Habitats can be very small or very big!

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Habitat

  • In a habitat, an organism must find

1. Food

2. Water

3. Shelter

4. Space

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Niche

  • A niche is an organism’s role (job) in the ecosystem
  • It includes what it eats, where it lives, and what it does

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Niche

  • For example:
  • What is the niche of a farmer?

-to grow food

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Niche

  • What is the niche of a carpenter?

-to build houses

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Niche

What is the niche

of a doctor?

-to keep us healthy!

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  • These people and

many others make a

human community work ☺

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Niche

  • What is the niche of a beaver?

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  • It includes:

-cutting down trees

-building a dam

-building a lodge to live in

-raising a family of beavers

-chewing bark and wood

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Niche

  • Chipmunks

-spreaders: they gather and store seeds, and acorns and berries get left behind or forgotten; seeds and berries will grow into new plants

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Niche

  • Blackberry Bush

-serves as food for animals

-roots help hold down the soil and help stop erosion

-serve as shelter and nesting places for birds and other animals

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Niche

  • No two species have the same niche in an ecosystem
  • For example:

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-moves pollen from flower -controls insect population

to flower -eats carpenter ants

chisels them out of trees with its beak

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Adaptations?