Fifth Grade

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Ecosystems

• Fifth Grade
• Science

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Ecosystems

• An ecosystem is all living and nonliving things
  in an area.

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An Ecosystem may be very small such as

• A backyard
• A pond
• A playground

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Some may be very large like

• The deserts of Africa
• The rain forest of Brazil
• The saltwater oceans

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All ecosystems have the same parts

• Abiotic Factors
• Biotic Factors

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Abiotic Factors

• The nonliving parts of an ecosystem.
• They include things like

WIND
WATER
CLIMATE
SUNLIGHT
MINERALS
SOIL
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Biotic Factors

• The living parts of an ecosystem.

• They include.
• Animals
• Plants
• Fungi
• Protists and bacteria.

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A species is a group of organisms that can mate
and produce offspring.
SPECIES
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All organisms of a species living in the same
area make up its population.-For example, all
foxes living in an area form a population.-Anothe
r example, all dandelions growing in an area form
another population.
POPULATION
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COMMUNITY

• All the populations living in an area make up a
  community.
• -All the foxes, dandelions, grasshoppers, snakes,
  hawks, deer, and skunks living in one area each
  form their individual populations, but together
  make up a community.

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What is Ecology?

• Ecology is how living and non-living things
  affect each other in their environment.

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ECOSYSTEM
COMMUNITY
POPULATION
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Think About It!Think about the community you
live in. What are some of the populations you
will find (remember, they can be plant or animal).