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What is ecology?
Agenda for Friday Dec 20th 1. Go over test2. Ecology Notes3. Poster
Grades posted on the wall.
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Ecology Definition:The study of the interactions between organisms & their
environment
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Levels of Organization - Macroscopic
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1) OrganismAn individual organism (just 1!).
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Habitat vs. Niche
Habitat - a place where a plant or animal can get the food, water, shelter and space it needs to live.
Niche (Job): - entire role that the organism plays the ecosystem what it eats and what eats it # of offspring
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2) PopulationAll the organisms of the same species in an area.
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3) Biological Community
Interacting populations living in same area
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4) EcosystemA biological community and all the abiotic factors that affect it
–Biotic – living
–Abiotic – not living
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5) BiomeA group of ecosystems that share the same climate and
have similar types of biological communities
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Minnesota Biomes:
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6) Biosphere The parts of Earth that support life:
1.Earth's crust/land2.All the waters that cover the
surface3.Atmosphere that surrounds
Earth.
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So how can we simplify these levels of organization?
1)Organism = A single student
2)Population = All students in the eleventh grade class
3)Biological Community = The entire student body (9-12th graders) & staff
4)Ecosystem = The school AND the entire student body
5)Biome = All of the high schools in the school district
6)Biosphere = Earth
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Levels of Organization: Activity
Directions: Work in groups of 3 - 4
Develop your own system of the levels of organization and write AND draw them
on the poster paper
Cannot be the same as the examples just given by Novak
Presentations tomorrow!