Biology Unit 2 Vocabulary

Front 1

Weather

Back 1

Condition of Earth's atmosphere at a particular time and place

Front 2

Climate

Back 2

Adverage, year-after-year conditions of temperature and precipitation in a particular region

Front 3

Greenhouse effect

Back 3

Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases

Front 4

Habitat

Back 4

Te area where an organism lives, including the biotic and abiotic factors that affect it

Front 5

Niche

Back 5

Full range of physical and biological conditions in which an organism lives an the way which the organisms use those conditions

Front 6

Resource

Back 6

Any necessity of life, such as water, nutrients, lights, food, or space

Front 7

Symbiosis

Back 7

Relationship in which two species live closely together

Front 8

Predation

Back 8

Interaction in which one organism captures and feeds on another organism

Front 9

Mutualism

Back 9

Symbiotic relationship in which both species benefit from the relationship

Front 10

Commensalism

Back 10

Symbiotic relationship in which one member if the association benefits and the other is neither helped nor harmed

Front 11

Parasitism

Back 11

Symbiotic relationship in which one organism lives in or on another (the host) and consequently harms it

Front 12

Ecological succession

Back 12

Gradual change in living communities that follow a disturbance

Front 13

Primary succession

Back 13

Succession that occurs on surfaces where no soil exists

Front 14

Pioneer species

Back 14

First species to populate an area during primary succession

Front 15

Secondary succesion

Back 15

Succession following a disturbance that destroys a community without destroying the soil

Front 16

Deciduous

Back 16

Term used to refer to a tree that sheds it's leaves during a particular season each year

Front 17

Coniferous

Back 17

Term used to refer to trees that produce seed-bearing cones and have thin leaves shaped like needles

Front 18

Taiga

Back 18

Biome in which the winters are cold but summers are mild enough to allow the ground to thaw

Front 19

Permafrost

Back 19

Later of permanently frozen subsoil in the tundra

Front 20

Tundra

Back 20

Biome that contains permafrost, cold tempetures, high winds, the short growing season, and humus-poor soils limit plant height

Front 21

Desert

Back 21

Any dry region that has an annual precipitation of less that 25 centimeters

Front 22

Plankton

Back 22

Tiny, free floating organisms that occur in aquatic environments

Front 23

Immigration

Back 23

Movement of individuals into an area occupied by an existing population

Front 24

Emigration

Back 24

Movement of individuals out of an area

Front 25

Emigration

Back 25

Movement of individuals out of an area

Front 26

Carrying capacity

Back 26

Largest number of individuals of a population that a given environment can support

Front 27

Emigration

Back 27

Movement of individuals out of an area

Front 28

Carrying capacity

Back 28

Largest number of individuals of a population that a given environment can support

Front 29

Renewable resource

Back 29

Resource that can regenerate quickly and is replaceable

Front 30

Emigration

Back 30

Movement of individuals out of an area

Front 31

Carrying capacity

Back 31

Largest number of individuals of a population that a given environment can support

Front 32

Renewable resource

Back 32

Resource that can regenerate quickly and is replaceable

Front 33

Nonrenewable resource

Back 33

Nonrenewable resource

Hint 33

A resource that cannot be replenished by natural process

Front 34

Emigration

Back 34

Movement of individuals out of an area

Front 35

Carrying capacity

Back 35

Largest number of individuals of a population that a given environment can support

Front 36

Renewable resource

Back 36

Resource that can regenerate quickly and is replaceable

Front 37

Nonrenewable resource

Back 37

Nonrenewable resource

Hint 37

A resource that cannot be replenished by natural process

Front 38

Deforestation

Back 38

Destruction of forests

Front 39

Pollutant

Back 39

Harmful material that can enter the biosphere through land, water, or air

Front 40

Pollutant

Back 40

Harmful material that can enter the biosphere through land, water, or air

Front 41

Biodiversity

Back 41

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 42

Pollutant

Back 42

Harmful material that can enter the biosphere through land, water, or air

Front 43

Biodiversity

Back 43

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 44

Extinction

Back 44

Disappearance of a species from all parts of it's geographical range

Front 45

Pollutant

Back 45

Harmful material that can enter the biosphere through land, water, or air

Front 46

Biodiversity

Back 46

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 47

Extinction

Back 47

Disappearance of a species from all parts of it's geographical range

Front 48

Endangered dpecies

Back 48

Species who's population size is rapidly declining and will become extinct if the trend continues

Front 49

Pollutant

Back 49

Harmful material that can enter the biosphere through land, water, or air

Front 50

Biodiversity

Back 50

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 51

Extinction

Back 51

Disappearance of a species from all parts of it's geographical range

Front 52

Endangered dpecies

Back 52

Species who's population size is rapidly declining and will become extinct if the trend continues

Front 53

Invasive species

Back 53

Plants and animals that have migrated to places where they are not native

Front 54

Pollutant

Back 54

Harmful material that can enter the biosphere through land, water, or air

Front 55

Biodiversity

Back 55

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 56

Extinction

Back 56

Disappearance of a species from all parts of it's geographical range

Front 57

Endangered dpecies

Back 57

Species who's population size is rapidly declining and will become extinct if the trend continues

Front 58

Invasive species

Back 58

Plants and animals that have migrated to places where they are not native

Front 59

Conservation

Back 59

Wise management of natural resources including the preservations of habitats and wildlife

Front 60

Pollutant

Back 60

Harmful material that can enter the biosphere through land, water, or air

Front 61

Biodiversity

Back 61

Biological diversity; the sum total of the variety of organisms in the biosphere

Front 62

Extinction

Back 62

Disappearance of a species from all parts of it's geographical range

Front 63

Endangered dpecies

Back 63

Species who's population size is rapidly declining and will become extinct if the trend continues

Front 64

Invasive species

Back 64

Plants and animals that have migrated to places where they are not native

Front 65

Conservation

Back 65

Wise management of natural resources including the preservations of habitats and wildlife

Front 66

Ozone layer

Back 66

Atmospheric layer in which ozone gas is relatively concentrated

Front 67

Global warming

Back 67

Increase in the average temperatures on Earth