problem 1: In which populations does genetic drift most frequently take place?

a) In small populations
b) In big populations
c) In marine populations
d) In terrestrial populations

problem 2: What is the best description for the continual changes in the categorization system of organisms?

a) All organisms struggle for the existence and become extinct.
b) All organisms compete to be at top of food chain.
c) Technological advances have permitted scientists to better compare the organisms.
d) More species have been discovered, however scientists have not analyzed all the data.

problem 3: Which statement best compares the aerobic and anaerobic respiration?

a) Less ATP is produced throughout anaerobic respiration than throughout aerobic respiration.
b) More water is produced throughout anaerobic respiration than during aerobic respiration.
c) More oxygen is produced throughout anaerobic respiration than during the aerobic respiration.
d) Less lactic acid is produced throughout anaerobic respiration than during the aerobic respiration.

problem 4: Which would be the finest evidence that a cell is employing active transport to move a substance across its cell membrane?

a) Substances are moving quickly across the cell membrane.
b) ATP is being quickly consumed close to the cellular membrane.
c) Substances are moving from high to the low concentrations.
d) Substances are moving via channels in the cell membrane.