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Biology 20 Unit A Exam with correct Answers
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Biology 20 Unit A Exam with correct Answers
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Biology 20 Unit A Exam with correctAnswers
open system - Answers -a system in which both matter and energy are exchanged
closed system - Answers -a system in which energy, but not matter, is exchanged with
its surroundings
isolated system - Answers -a system in which neither energy or matter is
exchanged/transferred with its surroundings
low albedo - Answers -(which albedo?)
a surface that absorbs more and reflects less
black
high albedo - Answers -(which albedo?)
a surface that reflects more and absorbs less
white
hydrosphere - Answers -all the waters on the earth's surface, such as lakes and seas,
and sometimes including water over the earth's surface, such as clouds
lithosphere - Answers -the solid, outer layer of the earth that consists of the crust and
the rigid upper part of the mantle
atmosphere - Answers -the thin layer of gases surrounding Earth
dynamic equilibrium - Answers -a cycle of adjustments constantly occurring to maintain
an equilibrium within a closed system
biome - Answers -a group of ecosystems with similar climates and organisms
ecosystem - Answers -living (biotic) and nonliving (abiotic) things interacting with each
other in a specific area
community - Answers -assemblage of different populations that live together in a
defined area
population - Answers -a group of individuals that belong to the same species and live in
the same area
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