Ecology - Commack Schools 19.pdf · Ecology 10/24/19. Ecology •The study of organisms and the...
Transcript of Ecology - Commack Schools 19.pdf · Ecology 10/24/19. Ecology •The study of organisms and the...
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Ecology
10/24/19
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Ecology•The study of organisms and the interactions they have with thier environment
•Organisms in an environment are interdependent on one another
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Biosphere
•The biosphere is the portion of the earth that supports life.
•Bio - life
•Sphere - geometric shape
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1. Biotic - living factors
2. Abiotic – nonliving
factors
Environmental Factors
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Biotic (LIVING)
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Abiotic (NONLIVING)
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If a plant is taken from a
wet swampy area and
grown in a dessert what
abiotic factors will cause
the plant to die?
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Try to put the following
words in order from
simplest to most complex.
•Population
•Organism
•Ecosystem
•Biome
•Biosphere
•Biologic Community
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Levels of Organization1. Organism
2. Population
3. Biologic Community
4. Ecosystem
5. Biome
6. Biosphere
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1. Organism
•The lowest level of
organization is the individual
organism. Example: a
single fish or one student
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Organism
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2. Population
•A group of the same type
of organisms (species)
•They share the same
geographic location at
the same time
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Population
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3. Biologic Community• Interacting populations of
different organism (many types
of species)
• Share the same geographic
location
• All the populations of
organisms in a community
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4. Ecosystem
• Is a biologic community
and all the abiotic factors
that affect it.
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Ecosystem
Why is this a
picture of an
ecosystem
and not a
community?
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Answer
The picture has living (biotic)
and nonliving (abiotic) factors
in it
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5. Biome
•A large group of
ecosystems that share
the same type of climate
and have similar types of
communities
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6. Biosphere
•All the biomes on earth
combined make up our
biosphere
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Ecosystem Interactions
•Communities of organisms increase their chances of survival by using available resources in different ways.