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Flashcards in Vocab Test 2 Deck (15)
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1

Population

A group of interbreeding individuals of the same species

2

Population size

The number of individuals in a population (number of individuals in particular area at particular times)

3

Population density

Number of organisms in a given area

4

Population distribution

How individuals are spread out, three patterns (random, clumped, uniform), most live in clumps

5

Age structure

Distribution of individuals among various age groups (categories)
(Prereproductive, reproductive, postreproductive)

6

Exponential growth

The increase in size at a constantly growing rate, continually multiplying

7

Logistical growth

A rapid increase that isn't sustainable so it levels off

8

Carrying capacity

The maximum number of individuals in a population that the environment can support

9

Total fertility rate

The average number of children born to a woman during her lifetime

10

Replacement level

The average number of children a couple must bear to replace themselves in the population

11

Infant mortality rate

The number of babies out of every 1,000 births that die before reaching their first birthday

12

Crude birth rate

The number of live births per 1,000 people in a population in a given year

13

Crude death rate

The number of deaths per 1,000 people in a population in a given year

14

Immigration

The migration of people INTO a population

15

Emigration

The migration of people OUT of a population