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Name: ____________________________________ Date: ___________________ !
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Chapter 3 Notes – The Biosphere Section 3-1 What is Ecology? (p. 63-64) Ecology = the scientific study of interactions among _______________________
and between organisms and their ____________________________(surroundings).
The ______________________ contains the combined portions of the planet in
which all life exists, including:
• ______________
• ______________
• ______________ (atmosphere)
Within the biosphere, there are many _________________________ between
organisms and the environment in which they live.
• The biosphere is always _______________________.
What different levels of organization do ecologists study?
The levels of organization that ecologists study include: • ___________________________ • ___________________________ • ___________________________ • ___________________________ • ___________________________
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Level of Organization Definition Example (come up with
your own!)
Individual/ species
Population
Community
Ecosystem
Biome
Section 3-2 Energy Flow (p. 67-73) Where does the energy from life processes come from?
_______________________ is the main energy source for life on Earth. • But some types of organisms rely on the energy stored in inorganic
___________________ compounds. Producers
Autotrophs = organisms such as __________________, some _____________, and
certain bacteria that capture energy from ____________________ or chemicals
and use that energy to produce ______________.