Chapter 53: Population Ecology

Question 1

Population

Answer 1

A group of individuals of a single species living in the same general area. (1185)

Question 2

Populations are often described by…

Answer 2

their boundary and size (# of individuals living within boundary). (1185)

Question 3

Boundaries can be ____ or ____

Answer 3

natural or defined by the investigator (like county lines). (1185)

Question 4

Density (of a population)

Answer 4

the number of individuals per unit area or volume. (1185)

Question 5

Dispersion

Answer 5

pattern of spacing among individuals within the boundaries of a population. (1185)

Question 6

Mark-recapture method

Answer 6

estimated population size (N) = (number of individuals marked and released in the first sampling (s) TIMES the total number of animals captured in the second sampling (n)) DIVIDED BY the number of marked animals captured in the second sampling (x). (N=sn/x) (1185)

Question 7

Density is not…

Answer 7

a static property. (1186)

Question 8

Immigration

Answer 8

The influx of new individuals from other areas. (1186)

Question 9

Emigration

Answer 9

The movement of individuals out of a population and into other locations. (1186)