Biology chapter 5

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

The maximum population that can be supported by an ecosystem

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

Question 14

List the 5 things ecologists use to study populations

Answer 14

Age structure, immigration, emigration, death rate, birth rate

Question 15

List the 2 types of limiting factors and give an example of each

Answer 15

Density Dependent - Competition
Density Independent - Weather

Question 16

List the 3 factors that affect human population

Answer 16

Birth Rate, Death Rate, Age structure of the population