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33 Cards in this Set

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ecology
The science of the relationships between organisms and their environments. Also called bionomics.
The relationship between organisms and their environment.
boitic factors
any living part of an environment
abiotic factors
nonliving physicl or chemical condition
community
all the organism living in an area
ecosystem
community of living things plus the nonliving features of the environment that support them
boisphere
all the part the planet that are inhabited by living things
habitats
an organism's specific environment, with characteristic abiotic and biotic factors
tropics
the warmest temperature zone
polar zones
the regions north of the arctic ciecle
temperate zones
latitude between the tropics and polar regions in each hemisphere
current
a river-like flow patter within a body of water
microclimate
climate in a specific area that varies from the surrounding climax region
biomes
majar tye of terrestrial ecosystem that covers a large region of earth
tropical rain forest
tyed of forest near the equator that receives as much as 250 cm of rainfall yearly
savannas
are grasslands with scattered trees
desert
land area that receives less than 30 cantimeter of rain per year
chaparral
a temperate coastal bosme dominated by dense evergreen shrubs
temperate grassland
biome characterized by deep, nutrient-rich soil that supports many grass species
temperate deciduous forest
forest in a temperate region, characterized by trees that drop their leaves annually
coniferous forest
forest populated by cone-bearing evergreen trees; mostly found in northern latitudes
tundra
biome in the Arctic Circle or on high mountaintops, characterized by bitterly cold temperatures and high winds
permafrost
permanently frozen subsoil
photic zone
regions of a body of water where light penetrates, enabling photosynthesis
phytoplankton
microscopic algae and cyanobacteria that carry out photosynthesis
APHOTIC ZONES
deep areas of a body of water where light levels are too low to support photosynthesis
benthic zone
bottom of an aquatic ecosystem; consists of sand and sediment and supports its own community of organisms
ESTUARIES
area where fresh water from streams and rivers merges with salty ocean water; productive ecosystem
PELAGIC ZONE
open water above the ocean floor
INTERTIDAL ZONES
area of shore between the high-tide and low-tide lines
NERITIC ZONES
area of ocean that extends from the low-tide line out to the edge of the continental shelf
oceanic zone
vast open ocean from the edge of the continental shelf outward
ZOOPLANKTON
microscopic animals that swim or drift near the surface of aquatic environments
HYDROTHERNAL VENTS
opening in the ocean floor where hot gases and minerals escape from Earth's interior