Chapter 4 Flashcards

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1
Q

Weather

A

Day to day conditions of the atmosphere

Includes temperature, precipitation, and other factors

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2
Q

Climate

A

Average year to year conditions of temperature and precipitation in an area over a long period of time

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3
Q

Microclimate

A

Environment conditions within a small area that differs significantly from the surrounding area’s climate

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4
Q

Greenhouse effect

A

Process where certain gasses (CO2, methane (CH4), and H2O vapor) trap sunlight energy as heat in the atmosphere

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5
Q

Tolerance

A

Organism’s ability to survive and reproduce under circumstances that differ from their optimal conditions

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6
Q

Habitat

A

Area where an organism lives

Includes biotic and abiotic factors that affect it

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7
Q

Niche

A

Full range of physical and biological conditions in which an organism lives and how those conditions are used by the organism

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8
Q

Resource

A

Any necessity of life

Includes water, nutrients, light, food, space

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9
Q

Competitive exclusion principle

A

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

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10
Q

Predation

A

Interaction when a predator catches and eats the prey

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11
Q

Herbivory

A

Interaction when an herbivore eats producers

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12
Q

Keystone species

A

Single species that is not abundant yet exerts strong control on a community structure

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13
Q

Symbiosis

A

Relationship when two species live close together

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14
Q

Mutualism

A

Symbiotic relationship when both species benefit from the relationship

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15
Q

Parasitism

A

Symbiotic relationship when one organism lives inside another and benefits by harming the outer organism

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16
Q

Commensalism

A

Symbiotic relationship when one organism benefits and the other does not, yet stays unharmed

17
Q

Ecological succession

A

Series of gradual changes the occur in a community following a disturbance

18
Q

Primary succession

A

Succession that occurs in an area where no trace of a previous community is present

19
Q

Pioneer species

A

First species to populate an area during succession

20
Q

Secondary succession

A

Succession that occurs in an area that was only partially destroyed by disturbances

21
Q

Canopy

A

Dense covering formed by the tall rain forests’ leafy treetops

22
Q

Understory

A

Layer in a rain forest found underneath the canopy formed by shorter trees and vines

23
Q

Deciduous

A

Types of trees that shed their leaves during a particular season each year

24
Q

Coniferous

A

Types of trees that produce seed-bearing cones and have thin leaves shaped like line needles

25
Q

Humus

A

Material formed from decaying leaves and organic matter

26
Q

Taiga

A

Biome dominated by coniferous evergreens with long cold winters and few months of warm weather

AKA: boreal forest

27
Q

Permafrost

A

Layer of permanently frozen subsoil found in the tundra

28
Q

Ephotic zone

A

Sunlight region near surface of water

29
Q

Aphotic zone

A

Dark layer of oceans below the ephotic zone where sunlight does not reach

30
Q

Benthos

A

Organisms that live attached to or near the bottom of lakes, streams, or oceans

31
Q

Plankton

A

Microscopic organisms that live in aquatic environments

Includes phytoplankton and zooplankton

32
Q

Wetland

A

Ecosystem where water either covers soil or is present at or near the surface for at least part of the year

33
Q

Estuary

A

Wetland formed at the river and ocean point