Definitions chapter 8: Properties of populations

Question 1

Genet

Answer 1

A genetic individual that arises from a single fertilized egg

Question 2

Ramet

Answer 2

An individual member of a plant clone

Question 3

Distribution

Answer 3

The spatial location or area occupied by a population

Question 4

Geographic Range

Answer 4

The distribution described by all the individuals of a species encompassed in a defined area

Question 5

Ubiquitous

Answer 5

Having widespread geographic distribution

Question 6

Endemic

Answer 6

Restricted to a given region

Question 7

Metapopulation

Answer 7

A population broken into sets of subpopulations held together by dispersal or movements of individuals among them

Question 8

Abundance

Answer 8

The number of individuals of a species in a given area

Question 9

Population Density

Answer 9

The number of individuals in a population per unit area

Question 10

Crude Density

Answer 10

The number of individuals per unit area; compare ecological density

Question 11

Ecological Density

Answer 11

Density measured in terms of the number of individuals per area of available living space; compare crude density

Question 12

Dispersal

Answer 12

Leaving an area of birth or activity for another area

Question 13

Emigration

Answer 13

Movement of part of a population permanently out of an area

Question 14

Immigration

Answer 14

Arrival of new individuals into a habitat or population

Question 15

Migration

Answer 15

Intentional, directional, usually seasonal movement of animals between two regions or habitats; involves departure and return of the same individual; a round-trip movement

Question 16

Invasive Species

Answer 16

A species that is not native (indigenous) to that ecosystem (also referred to as non-native or alien species)