Textbook Notes (378,251)
CA (167,133)
UTSC (19,205)
BIOA02H3 (153)
Chapter 52

Chapter 52: Ecology and the Distribution of Life --KEY TERMS & DEFINITIONS

3 Pages
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Department
Biological Sciences
Course Code
BIOA02H3
Professor
Kamini Persaud

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Key Terms Chapter 52: Ecology and the Distribution of Life
52.1-What is Ecology
-Ecology is the scientific study of the rich and varied interactions between
organisms and their environment.
-Behavioural interactions among individuals of the same species may give rise to
elaborate social systems
-Communities: systems embracing all the organisms living together in the same
area
-Ecosystems: systems embracing all organisms in an area plus their physical
environment.
-Biosphere: the system that embraces all regions of the planet where organisms live
-Environment: encompasses both abiotic (physical and chemical) factors, such as
wind, water, light, temperature, etc., and biotic factors (living organisms).
52.2-How are climates distributed on earth?
-Climate: the average of the atmospheric conditions (temperature, precipitation, etc.)
found over the long term.
-Weather is the short term state of climate
-The differences in air temperature among different places on Earth are largely
determined by differences in solar energy input
-The rate at which solar energy arrives on Earth per unit of Earths surface depends
primarily on the angle of the sunlight
-Higher altitudes receive less solar energy than latitudes closer to the equator
-Air temperature decreases with elevationas air rises, it expands, its pressure and
temperature drop, and it released moisture; and vice-versa
-Inter-tropical convergence zone: Rising air in the tropics due to high
temperatures is replaced by air that flows in toward the equator from the north and
south
-The air masses moving toward the equator from the north and south veer to become
the northeast and southeast trade winds
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Description
Key Terms Chapter 52: Ecology and the Distribution of Life 52.1-What is Ecology - Ecology is the scientific study of the rich and varied interactions between organisms and their environment. - Behavioural interactions among individuals of the same species may give rise to elaborate social systems - Communities: systems embracing all the organisms living together in the same area - Ecosystems: systems embracing all organisms in an area plus their physical environment. - Biosphere: the system that embraces all regions of the planet where organisms live - Environment: encompasses both abiotic (physical and chemical) factors, such as wind, water, light, temperature, etc., and biotic factors (living organisms). 52.2-How are climates distributed on earth? - Climate: the average of the atmospheric conditions (temperature, precipitation, etc.) found over the long term
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