Parts of the Ecosystem. ECOSYSTEMS An ECOSYSTEM must provide what an organism needs to survive, or...
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Transcript of Parts of the Ecosystem. ECOSYSTEMS An ECOSYSTEM must provide what an organism needs to survive, or...
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Parts of the Parts of the EcosystemEcosystem
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ECOSYSTEMSECOSYSTEMSAn An ECOSYSTEM ECOSYSTEM must provide must provide what an organism needs to what an organism needs to survive, or the organism must survive, or the organism must move, adapt, or die.move, adapt, or die.To stay alive, organisms needTo stay alive, organisms need4 things:4 things:
Energy (food)Energy (food) WaterWater OxygenOxygen Living space Living space
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An Organism and Its Environment
Habitat: Place where organism lives which is determined by climate and adaptations.
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LIVING THINGS AND THEIR ENVIRONMENT
Environment– all the living and nonliving things with which an organism interacts.All the living and nonliving things in an
environment are interconnected. If one factor is affected another factor is thrown off balance. Nature is always trying to stay in balance.
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What is Ecology?What is Ecology?
Study of the Study of the interactions between interactions between organisms and organisms and
their environmenttheir environment
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ECOSYSTEMS ECOSYSTEMS
•The living parts of an ecosystem are called BIOTIC factors
•Examples: trees, plants, flowers,
insects, animals
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ECOSYSTEMS ECOSYSTEMS The non-living things in an The non-living things in an
ecosystem are called ecosystem are called ABIOTICABIOTIC
factorsfactorsExamples : water, rocks, soil, Examples : water, rocks, soil, air, temperature, wind, carbon air, temperature, wind, carbon
dioxide, nutrients, sunlightdioxide, nutrients, sunlight
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Organization in the Organization in the EnvironmentEnvironment
Ecologists have arranged the Ecologists have arranged the environment in different levelsenvironment in different levels
OrganismOrganism
PopulationPopulation
CommunityCommunity
EcosystemEcosystem
BiosphereBiosphere
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The 5 Levels: The 5 Levels: #1 Organism#1 Organism
1. 1. An An individual individual is is a single organism.a single organism.
Ex: an alligator, a human, an oak tree
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The 5 Levels:The 5 Levels:#2 Population#2 Population
A population is a group of individuals of the samespecies in the same area.
Ex: group of alligators, herd of deer
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The 5 Levels:The 5 Levels:#3 Community#3 Community
A community consists of all of the populations of different species that live and interact in an area.
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The 5 Levels:The 5 Levels:#4 Ecosystem#4 Ecosystem
An ecosystem is made up of a community of organisms and its abiotic environment
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The 5 Levels:The 5 Levels:Level #5 BiosphereLevel #5 Biosphere
The biosphere is the part of Earth where life exists
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ENVIRONMENTAL ENVIRONMENTAL ORGANIZATIONORGANIZATION BiosphereBiosphere - the entire Earth- the entire Earth Animals & plants adapt to best Animals & plants adapt to best
survive in the conditions of each survive in the conditions of each Earth region. These regions are Earth region. These regions are called the called the biomesbiomes..
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Salt Marsh EcosystemSalt Marsh Ecosystem
Organism- egret, Seaside sparrow, Periwinkle Organism- egret, Seaside sparrow, Periwinkle snail, oyster, Laughing gullsnail, oyster, Laughing gull
Population- Laughing gull, CodgrassPopulation- Laughing gull, Codgrass Community- Sparrows eat the crabs, algae Community- Sparrows eat the crabs, algae
grows on grass, snail uses grass as shelter grows on grass, snail uses grass as shelter and protectionand protection
Ecosystem- how does temp., precipitation, soil Ecosystem- how does temp., precipitation, soil affect the organisms?, river brings in nitrogen affect the organisms?, river brings in nitrogen which helps the algae growwhich helps the algae grow
Biosphere- where all life livesBiosphere- where all life lives
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Biotic and Abiotic FactorsBiotic and Abiotic Factors
Biotic:Biotic: Laughing gulls, seaside sparrow, Laughing gulls, seaside sparrow, codgrass, snail, algae, jellyfish (any of codgrass, snail, algae, jellyfish (any of the animals or plants)the animals or plants)
Abiotic: Abiotic: sunlight, river (water), sunlight, river (water), temperature, soil, rain (weather), temperature, soil, rain (weather), nutrients from the nitrogennutrients from the nitrogen
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