Lesson 5.3

Question 1

number of individuals per unit area

Answer 1

population density

Question 2

describes the way individuals are spaced out across their range

Answer 2

population distribution

Question 3

the number of males and females of each age in a population

Answer 3

age structure

Question 4

movement of individuals into an area occupied by an existing population

Answer 4

immigration

Question 5

movement of individuals out of an area

Answer 5

emigration

Question 6

growth pattern in which the individuals in a population reproduce at a constant rate

Answer 6

exponential growth

Question 7

growth pattern in which a population’s growth slows and then stops following a period of exponential growth

Answer 7

logistic growth

Question 8

largest number of individuals of a particular species that a particular environment can support

Answer 8

carrying capacity

Question 9

factor that causes population growth to decrease

Answer 9

limiting factor

Question 10

limiting factor that depends on population density

Answer 10

density-dependent limiting factor

Question 11

limiting factor that affects all populations in similar ways, regardless of the population density

Answer 11

density-independent limiting factor

Question 12

scientific study of human populations

Answer 12

demography

Question 13

change in a population from high birth and death rates to low birth and death rates

Answer 13

demographic transition