Chapter 53

Question 0

Density (population)

Answer 0

The number of individuals per unit area or volume

Question 1

Population ecology

Answer 1

The study of population in relation to the environment

Question 2

Dispersion

Answer 2

The pattern of spacing among individuals within the boundaries of the population

Question 3

Mark-recapture method

Answer 3

Method used to estimate the size of populations

Question 4

Immigration

Answer 4

The influx of new individuals from other areas

Question 5

Emigration

Answer 5

The movement of individuals out of a population

Question 6

Demography

Answer 6

The study of the vital statistics of populations and how they change over time

Question 7

Life tables

Answer 7

Age-specific summaries of the survival pattern of a population

Question 8

Cohort

Answer 8

Group of individuals of the same age

Question 9

Survivorship curve

Answer 9

Plot of the proportion or numbers in a cohort still alive at each age

Question 10

Reproductive table

Answer 10

Fertility schedule

Question 11

Life history

Answer 11

Entails three basic variables: when reproduction begins, how often the organism reproduces, and how many offspring are produced during each reproductive episode

Question 12

Semelparity

Answer 12

One-shot pattern of big-bang reproduction

Question 13

Iteroparity

Answer 13

Repeated reproduction

Question 14

Exponential population growth

Answer 14

The exponential trend of populations

Question 15

Logistic population growth

Answer 15

Model that shows the per capita rate of increase approaches zero as the carrying capacity is reached

Question 16

K-selection

Answer 16

Density-dependent selection

Question 17

R-selection

Answer 17

Density-independent selection

Question 18

Factors to population decreases

Answer 18

Territory
Competition for resources
Disease
Predation
Toxic wastes
Intrinsic factors

Question 19

Intrinsic factors

Answer 19

Physiological factors (as opposed to environmental)

Question 20

Meta population

Answer 20

When number of local populations are linked

Question 21

Demographic transition

Answer 21

The movement toward the second figuration

Question 22

Age structure

Answer 22

The relative number of individuals of each age in a population

Question 23

Ecological footprint

Answer 23

Concept that summarizes the aggregate land and water area required by each person, city, or nation to produce all the resources it consumes and to absorb all the waste it generates