Unit 2

Question 1

Adaption

Answer 1

A trait that improves an individual’s fitness

Question 2

Biodiversity

Answer 2

The variety of life on earth, species, habitat, and genetic

Question 3

Endemic species

Answer 3

A species that is only found in one area

Question 4

Evolution

Answer 4

Process by which animals adapt to survive

Question 5

Generalist

Answer 5

A species that can live under a wide range of abiotic and biotic conditions, this is due to a number of alternative habitats and food sources

Question 6

Habitat

Answer 6

The natural home on environment of organism

Question 7

Mass extinction

Answer 7

A large extinction of species in a relatively short period of time

Question 8

Mutation

Answer 8

Change in DNA of organism that changes physiology / way organism interacts with environment

Question 9

Natural selection

Answer 9

Process by which evolution occurs best fit for environment reproduces.

Question 10

Niche

Answer 10

A particular environment where organism preforms particularly well

Question 11

Specialist

Answer 11

A species specializes to live in a specific habitatI have specialized food source

Question 12

Species

Answer 12

A group of organisms similar and capable of reproducing together

Question 13

Invasive species

Answer 13

An alien species whose introduction causes loss of biodiversity

Question 14

Keystone species

Answer 14

A species that plays a for more important role in its community than its population size suggests

Question 15

Pioneer species

Answer 15

The first species to colonize an area, typically moss

Question 16

Primary succession

Answer 16

Ecological succession occurring in surfaces of rock devoid of Soil

Question 17

Resilience

Answer 17

Ability of an ecosystem to recover after disturbance

Question 18

Secondary succession

Answer 18

Succession of life in areas that have been disrupted but not devoid of soil

Question 19

Intrinsic value

Answer 19

Value indecent of any benefit to humans ( true value)

Question 20

Biodiversity hotspot

Answer 20

A region w/ significant levels of biodiversity that is threatened by human habitation

Question 21

Conservation

Answer 21

Study of conservation of nature and biodiversity

Question 22

Cites

Answer 22

Conservation on International trade in endangered species (control trade of species )

Question 23

Ecosystem services

Answer 23

Important environmental benefits that ecosystem provides to people

Question 24

Supporting services

Answer 24

Natural ecosystem provides support to humans ex pollination or food crops

Question 25

Cultural service

Answer 25

The inspiring beauty of nature has value and provides humans w/ economic and health benefits

Question 26

Regulating services

Answer 26

Ecosystem helps to regulate environmental conditions(ex. Carbon cycling via tropical rainforests)

Question 27

Provisioning services

Answer 27

A good humans can use directly ex: lumber

Question 28

Extirpation

Answer 28

The termination of species in specific area but not globally

Question 29

Habitat fragmentation

Answer 29

Human development breaks up habitat and creates smaller more isolated population

Question 30

Inbreeding

Answer 30

When relatives w/ similar gene types breed and produce offspring (causing impaired ability to survive)

Question 31

Latitudinal gradient

Answer 31

Pattern of species diversity where species numbers are highest at low latitudes and decrease towards poles on earth

Question 32

Mass extinction event

Answer 32

A disruptance to ecosystem that has resulted in a mass extinction

Question 33

Red list

Answer 33

A list of world wide threatened species

Question 34

Species richness

Answer 34

Number of species in a given area

Question 35

Species evenness

Answer 35

Relative proportion of (common or rare ) different species in given area

Question 36

Endangered species act

Answer 36

Act that prohibits harm to any species listed by vs wildlife services

Question 37

Theory of island biogeography

Answer 37

Island diversity is determined by size and distance from mainland

Question 38

Extinction

Answer 38

The dying out of a species

Question 39

Bottleneck effect

Answer 39

A reduction in genetic diversity due to severe reduction in population size

Question 40

Founder effect

Answer 40

A change in genetic diversity due to small population colonizing on island

Question 41

Habitat diversity

Answer 41

Range of habitat/ecosystem in given area (improved species diversity)

Question 42

Species diversity

Answer 42

Variation of species in ecosystem (ecosystem becomes more resilient to disruptions)

Question 43

Genetic diversity

Answer 43

Genetic variability within species ( improves likelihood species will survive disruption)