Ecology: Interactions in Nature
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The part of Earth that supports
life
Top portion of Earth's crust
All the waters that cover Earth's
surface
Atmosphere that surrounds Earth.
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All the organisms living in an
area and the nonliving features
of their environment
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All the organisms in an
ecosystem that belong to the
same species
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All the populations in an
ecosystem
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The place in which an
organism lives
provides the kinds of food and
shelter, the temperature, and the
amount of moisture the organism
needs to survive
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Food
Space
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Competition caused by
population growth affects many
organisms, including humans
Limits population size
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Anything that restricts the
number of individuals in a
population.
Includes living and nonliving
features of the ecosystem
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Natural, gradual changes in the
types of species that live in an
area; can be primary or
secondary.
Primary – begins in a place without soil
Secondary – where soil already exists
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A group of organisms, such as
lichens, found in the primary
stage of succession and that
begin an area's soil-building
process
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A community that has reached a
stable stage of ecological
succession
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Large geographic areas with
similar climates and ecosystems
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Tundra
Taiga
Desert
Temperate deciduous forest
Temperate rain forest
Tropical rain forest, and grassland
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Ecology entails the study of interactions among organisms and their environment, from the biosphere to ecosystems, populations, communities, and habitats. It includes concepts like competition and limiting factors that impact species survival and population dynamics.
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Presentation Transcript
Ecology Ecology
The study of the The study of the interactions that take interactions that take place among place among organisms and their organisms and their environment environment
Biosphere Biosphere The part of Earth that supports life Top portion of Earth's crust All the waters that cover Earth's surface Atmosphere that surrounds Earth.
Ecosystem Ecosystem All the organisms living in an area and the nonliving features of their environment
Population Population All the organisms in an ecosystem that belong to the same species
Community Community All the populations in an ecosystem
Habitat Habitat The place in which an organism lives provides the kinds of food and shelter, the temperature, and the amount of moisture the organism needs to survive
Competition Competition Food Space
Competition Competition Competition caused by population growth affects many organisms, including humans Limits population size
Limiting Factor Limiting Factor Anything that restricts the number of individuals in a population. Includes living and nonliving features of the ecosystem
Succession Succession Natural, gradual changes in the types of species that live in an area; can be primary or secondary. Primary begins in a place without soil Secondary where soil already exists
Primary Succession Primary Succession
Secondary Succession Secondary Succession
Pioneer species Pioneer species A group of organisms, such as lichens, found in the primary stage of succession and that begin an area's soil-building process
Climax community Climax community A community that has reached a stable stage of ecological succession
Biome Biome Large geographic areas with similar climates and ecosystems
Includes Includes Tundra Taiga Desert Temperate deciduous forest Temperate rain forest Tropical rain forest, and grassland
This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.
This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.
