unit 4-population

Question 1

Population

Answer 1

A collection of individuals of the same species; such as a flock of wood duck

Question 2

Population Dynamics

Answer 2

The study of how populations change over time

Question 3

invasive species

Answer 3

Species introduced to an ecosystem either accidentally or intentionally that disrupt native populations and ecosystems

Question 4

clumped dispersion pattern

Answer 4

Characteristic of a population that consists of distinct groups of individuals

Question 5

random dispersion

Answer 5

Characteristic of a population that consists of individuals distributed randomly over an area
(It is not clumped; no patterns to discern)

Question 6

evenly spaced dispersion

Answer 6

Characteristic of a population that consists of individuals distributed at equal distances from each other

Question 7

population density

Answer 7

The number of individuals in a population per unit area

Question 8

carrying capacity

Answer 8

The size of a particular population that a given ecosystem can sustain over the long term

Question 9

immigration

Answer 9

the process of entering

Question 10

emigration

Answer 10

the process of leaving

Question 11

doubling

Answer 11

The amount of time it takes for a population to double in size

Question 12

rule of 70

Answer 12

To find the doubling time of a population, divide 70 by the percent of growth

For example, at a 5 percent annual growth rate, doubling time can be calculated by 70 divided by 5 (14 years).

Question 13

survivorship

Answer 13

The probability of individuals in a population surviving to particular ages