unit 2 – lecture 1. ecology the study of the relationships between living things and their...
TRANSCRIPT
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Unit 2 – Lecture 1
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Ecologythe study of the relationships between living
things and their environments “eco” – environment or ecology
[greek: oikos = house / home – ie, Earth]
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Review
What does the prefix
“bio” mean?
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Ecology – cont’dIncludes relationships with biotic and abiotic
factors:biotic – living
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Answer the Following:
Other than animals, name 3 examples of biotic factors
in an environment.
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Ecology – cont’dIncludes relationships with biotic and abiotic
factors:abiotic – non-living
prefix “a-” means non, or not
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Answer the Following:
Name 3-4 examplesof abiotic factors
in an environment.
Soil Water RockClimate: temperature, pressure, waterfall,
wind, etc.
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Ecological OrganizationOrganism
anything which contains ALL of the characteristics of life
Species:a group of related organisms that can
interbreed [and produce offspring that are fertile]
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Ecological Organization – cont’dPopulation:
a single species in a single location at the same time
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Ecological Organization – cont’dCommunity:
a group of ALL of the populations in a single location at the same time
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Ecological Organization – cont’dEcosystem :
includes the community [all biotic factors] PLUS all abiotic factors in an environment
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Ecological Organization – cont’dBiome:
geographic area which has similar conditions
climate, flora, faunaflora – plant-lifefauna – animal-life
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Answer the Following:Write down the names of
as many biomes as you can remember [at least 4],
and jot down a description of each
[rainfall, temperature, flora, fauna].
no specific number of biomes exist
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Ecological Organization – cont’dBiosphere:
everywhere on earth where life can exist
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Homework
Complete the North American Biomes w/s
found on pages 2-3 of your packet.