Planet Earth

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Planet Earth

• The only one we have.

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(No Transcript)
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What do we mean by environment?
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Ecology the study of interactions amongst living
organisms with their environment.
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Levels of Biological Organization
ATOMS
MOLECULES

MACROMOLECULES
ORGANELLE
CELL
TISSUE
ORGAN
ORGAN SYSTEM
ORGANISM
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Levels of Ecology
POPULATION
SPECIES
COMMUNITY
ECOSYSTEM
BIOME
BIOSPHERE