organization of communities and ecosystem
DESCRIPTION
It is about different organization in the communities and ecosystem.TRANSCRIPT
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BIOLOGY - science that deals with all forms
of life, including their classifications,
physiology, chemistry and interactions.
ECOLOGY - derived from the Greek oikos
meaning "household," and logos meaning
"study."
ENVIRONMENTAL SCIENCE - scientific
discipline with ties to ecology, focuses on
how human interact with the environment.
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BIOLOGICAL ORDER - a particular
pattern associated with living things
ORGANIZATION - a group of people
identified by a shared interest or
purpose.
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Ecosystem XII
Community XI
Population X
_ _ _ _Organism IX _ _ _ _ _
Organ System VIII
Organs VII
Tissues VI
_ _ _ _Cells The Life Line V _ _ _ _ _
Organelles IV
Molecules III
Atom II
Subatomic Particles I
Figure 2.1 The Pyramid of Life: The 12 Levels of Biological
Organization
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It is because life begins at a
certain level of the pyramid
(Level V) and then continues
upward through each of the
higher levels of biological
organization Levels VI – XII).
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The Three Lowest Levels of the Pyramid
1. SUBTOMIC LEVEL – protons, neutrons,
electrons
2. ATOMS – carbon (C), oxygen (O), hydrogen
(H), and nitrogen (N)
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3. MOLECULES
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4. ORGANELLES- literally means “little organ”.
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5. CELL – smallest unit of life
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6. TISSUE - epithelial tissue, muscle tissue,
connective tissue, nervous tissue
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7. ORGAN
8. ORGAN SYSTEM
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9. ORGANISM
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10. POPULATION
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11.
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12. ECOSYSTEM
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