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45 Cards in this Set

  • Front
  • Back
condition of earths atmosphere at a particular time and place
Weather
average year after year condition of temperature and precipitation in a particular region
Climate
natural situation in which heat is retained in the earths atmosphere by carbon dioxide, methane, water vapor, and other gases
Greenhouse Effect
cold climate zone between the polar zones and the trophics


Polar Zone

moderate climate zone between the polar zones and the trophics


Temperate Zone
step in a food chain or web


Tropical Zone
biological influence on organisms within an ecosystem


Biotic Zone
physical on nonliving factor that shapes an ecosystem


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


Habitat

full range of physical and biological conditions inn which an organism lives and the way in which the organism uses their conditions


Niche
any necessity of life such as water, nutrient, light food or space


Resource

ecological rule that states that no two species can occupy the same exact niche in the same habitat

Competitive Exclusion Priniciple

interaction in which one organism captures and feeds on another organism


Predation

relationship in which two species live closely together

Symbiosis
symbiotic relationship in which both species benefit from the relationship
Mutualism
symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
Commensalism

symbiotic relationship in which one organism lives in or on another organism and consequently harms it


Paraitism

gradual change in living communities that follows a disturbance


Ecological Succession
succession that occurs on surfaces where no soil exists
Primary Succession

first species to populate an area during primary succession


Pioneer Species

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


Secondary Succession

group of ecosystems that have the same climate and dominate communities


Biome

climate with a small area that differs significantly from the climate of the surrounding area

Microclimate
dense covering formed by leafy tops of tall rain forest trees
Canopy

layer in a rain forest formed by shorter trees and vines


Understory

term used to refer to trees that shed its leaves during a particular season each year

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

Coniferous

material formed from decaying leaves and other organic matter


Humus

biome in which the winter are cold but the summers are mild enough to allow the ground to thaw
Taiga
layer of prenmaritally frozen subsoil in the tundra
Permafrost

tiny free flowing organisms that occur in aquatic enviroments

Plankton

population of algae and dither small photosynthetic organisms found near the surface of the ocean and forming part of plankton

Phytoplankton
tiny animals that form part of the plankton


Zooplankton

ecosystem in which water either covers the soil or its present at or near the surface of the soil for at least part of the year


Wetland

wetlands formed where rivers meet the ocean

Estuary
particles of organic material that provide food for organisms at the base of and estuarys food web
Detritus
temperature zone estuary dominated by salt tolerant grasses above the low-tide line and by seagrasses under water
Salt Marsh

costal wetland dominated by mangroves, salt-tolerant woody plants
Mangrove Swamp
well-lit upper layer of the ocean
Photic Swamp
permanently dark layer of the oceans below the photic zone
Aphotic Zone
prominent horizontal banding of organisms that live in a particular habitat
Zonation
marine zone that extends from low-tide mark to the end of the continental shelf
Coastal Ocean

costal ocean community names for its dominant organisms - kelp, a giant brown alga


Kelp Forest

diverse and productive environment named for the coral animals make up its primary structure

Coral Reef

organisms that live attached to or near the ocean floor


Benthos