Unit 3 Human Population

Question 1

Biotic Potential

Answer 1

The maximum capacity of a species to grow under ideal conditions

Question 2

Net Growth Rate (r)

Answer 2

The change in population size over time, as a percentage

Question 3

Doubling Time (dt)

Answer 3

The time it takes for a population to double in size (Rule of 70)

Question 4

Crude Birth Rate (CBR)

Answer 4

Number of births per 1,000 people per year

Question 5

Crude Death Rate (CDR)

Answer 5

Number of deaths per 1,000 people per year

Question 6

Population Growth Rate (PGR)

Answer 6

Overall population change

Question 6

Rate of Natural Increase (RNI)

Answer 6

Population increase from births - deaths

Question 7

Replacement-Level Fertility (RLF)

Answer 7

Number of children needed per couple to keep population constant

Question 8

Total Fertility Rate (TFR)

Answer 8

Average number of children a woman has over her lifetime

Question 9

Life Expectancy

Answer 9

Average lifespan of individuals in a population

Question 10

Infant Mortality Rate

Answer 10

Number of infant deaths per 1,000 live births

Question 11

Carrying Capacity

Answer 11

Maximum population size that an environment can support long-term

Question 12

Population Momentum

Answer 12

Continued population growth even after birth rates decline due to a high number of individuals in childbearing years