Chapter 4 Vocab

Question 0

Equilibrium

Answer 0

If births plus immigration are more or less equal to deaths plus emigration over time

Question 1

Population Growth

Answer 1

The change in population number, represented by(Births + Immigration)-(Deaths+Emigration)=Population Growth

Question 2

Carrying Capacity

Answer 2

The maximum population of a species that a given habitat can support without the habitat being degraded over the long term

Question 3

Biotic Potential

Answer 3

The rate at which members of a species reproduce, if unlimited.

Question 4

Recruitment

Answer 4

Survival through early growth stages to become part of breeding population

Question 5

Environmental Resistance

Answer 5

Combination of biotic and abiotic factors that may limit population increase

Question 6

Type I Survivor Curve

Answer 6

good early survival and die of old age(Humans)

Question 7

Type III Survival Curve

Answer 7

Poor early survival, survival improves with age

Question 8

Population Density

Answer 8

The Number of individuals per unit area

Question 9

Limiting Factor

Answer 9

A factor that causes population growth to decrease

Question 10

Density Dependent

Answer 10

A limiting factor that depends on population size

Question 11

Density independent

Answer 11

Affect all populations in similar ways regardless of the population size

Question 12

Competitive Exclusion Principle

Answer 12

States that no two species can occupy the same niche in the same habitat at the same time

Question 13

Critical Number

Answer 13

The lowest population for survival and recovery

Question 14

Non-feeding Symbiosis

Answer 14

Simply means two organisms living together

Question 15

Commensalism

Answer 15

One species benefits, the other is unaffected

Question 16

Parasitism

Answer 16

One species benefits and the other is adversely affected

Question 17

Competition

Answer 17

Both species are adversely affected by interaction

Question 18

Vectors

Answer 18

Agents that carry the parasite from host to host

Question 19

Keystone Species

Answer 19

A species extremely important in maintaining an ecosystem

Question 20

Territorality

Answer 20

Defense of a resource against members of the same species

Question 21

Self Thinning Plants

Answer 21

when plants produce a large number of seedlings in a small area

Question 22

Selective Preassures

Answer 22

Each factor that can affect which individuals survive and reproduce and whi are eliminated

Question 23

Speciation

Answer 23

The process by which populations of one species separate into new species

Question 24

Plate Tectonics

Answer 24

A theory that helps to explain volcanoes and earthquakes

Question 25

Convection Currents

Answer 25

Hot material rises while cooler material sinks toward the earths interior

Question 26

Subduction Zones

Answer 26

Oceanic plates that slide under continental plates

Question 27

Collision Zone

Answer 27

two continental plates converge resulting in the formation of mountain ranges

Question 28

Transform Fault Zones

Answer 28

Boundaries where two plates are sliding past each other causing an earthquake

Question 29

Introduced Species

Answer 29

Animals or plants brought into an ecosystem from a foreign ecosystem