Population Growth

Question 1

_____ is the study of the size, structure, distribution of populations, and spatial and temporal changes in response to birth, death, migration and aging

Answer 1

Demography

Question 2

_____ is when populations grow to a carrying capacity

Answer 2

Logistic Growth

Question 3

_____ Stochasticity is random variations in the environment that affect rates

Answer 3

Environmental Stochasticity

Question 4

_____ Stochasticity is random variation in birth and death rates

Answer 4

Demographic Stochasticity

Question 5

the _____ follows the fate of a group of individuals born in the same time period

Answer 5

Cohort Life Table

Question 6

the _____ focuses on age distribution data collected from a cross section of the population at one particular time

Answer 6

Time Specific Life Table

Question 7

_____ Survivorship has high survivorship at younger ages followed by heat at physiological life span

• parental care, survival of young
• humans

Answer 7

Type 1 Survivorship

Question 8

_____ Survivorship is little difference in factors that affect mortality with age class
- birds

Answer 8

Type 2 Survivorship

Question 9

_____ Survivorship has lots of mortality at younger ages, followed by long life span

• little parental care, but if organism ages (increases in size), they become less likely to be eaten
• alligators

Answer 9

Type 3 Survivorship

Question 10

_____ measure reproductive capabilities

- more ____ = more births

Answer 10

Fecundity Tables

Question 11

_____ is the average number of females produced by one female over her lifetime

Answer 11

Net Reproductive Rate (R0)

Question 12

_____ are predictions of numbers of individuals in each age class over time

Answer 12

Population Projection Tables

Question 13

_____ is the proportion of individuals in each age class do not change over time

Answer 13

Stable Age Distribution

Question 14

_____ Populations are populations in which immigration or emigration occurs

Answer 14

Open Populations

Question 15

_____ Populations are populations in which movement into or out of the population does not occur

Answer 15

Closed Populations

Question 16

_____ Growth is the resulting pattern of population size as a function of time

Answer 16

Geometric Population Growth

Question 17

_____ Growth is based on discrete time steps

Answer 17

Exponential Population Growth

Question 18

a _____ is a schedule of mortality

- transitions between discrete categories (stages, ages)

Answer 18

Life Table

Question 19

_____ represents the probability at birth of surviving to any given age

Answer 19

survivorship

Question 20

_____ is the number of individuals that died during any given time interval divided by the number alive at the beginning of that interval

Answer 20

Age Specific Mortality Rate

Question 21

_____ is a figure that is obtained by dividing the number of births that occurred during some time period by the estimated population size at the beginning of the time period and multiplying the resulting number by 1000

Answer 21

Crude Birthrate

Question 22

_____ is the dumb of the bx values across all age classes that provides an estimate of the average number of female offspring born to a female over her lifetime

Answer 22

Gross Reproductive Rates

Question 23

_____ is the number of individuals that can persist in a particular environment (equilibrium)

Answer 23

Carrying Capacity

Question 24

_____ is the probability at birth of surviving to a particular age

Answer 24

Ix

Question 25

_____ is the number of individuals that die during any given time interval (stage)

Answer 25

dx

Question 26

_____ is the age specific mortality rate

Answer 26

qx

Question 27

_____ is the age specific birth rate

- # of female offspring by a female at a specific stage

Answer 27

bx

Question 28

____ is the Net Reproductive Rate

Answer 28

R0