ACTUAL Exam Questions and CORRECT
Answers
short-term environmental changes - CORRECT ANSWER - changes that occur quickly in
an ecosystem and affect organisms immediately
long-term environmental changes - CORRECT ANSWER - changes that occur slowly
over time and affects organisms over several generations
ecosystem - CORRECT ANSWER - A biological community of interacting organisms and
their physical environment.
population - CORRECT ANSWER - A group of individuals that belong to the same
species and live in the same area
harsh - CORRECT ANSWER - severe
Tundra - CORRECT ANSWER - An extremely cold, dry biome.
salinity - CORRECT ANSWER - the saltiness or dissolved salt content of a body of water
commercial - CORRECT ANSWER - having to do with business or trade
primary succession - CORRECT ANSWER - succession that occurs on surfaces where no
soil exists
secondary succession - CORRECT ANSWER - type of succession that occurs in an area
that was only partially destroyed by disturbances