earth’s water Flashcards
(38 cards)
transpiration
plants lose water vapor thru leaves
water to gas
condensation
gas to water
precipitation
runoff
water moving thru land to fresh water
percolation
filtering rainwater in soil & rock layers
porous underground layer
aquifer
unconfined aquifer
found near surface
upper layer of surface where earth is permanently soaked with water
water table
confined aquifer
between top & bottom rock layers
where confined aquifer gets water supply from rainwater & surface water
recharge zone
percentage of earth’s water
70%
percentage of saltwater
96.5%
potable water
unpolluted water safe to drink
panthalassa aka
paleo-pacific
key factors for aquatic environments
- light’s ability to penetrate water
- photosynthesis (nutrients for)
- salinity
- kind of bottom substrate
- water temp
- water depth
aquatic life zone divisions
freshwater & marine ecosystems
Classifications of organisms
planktons
nektons
benthos
decomposers
free-swimin microscopic organisms near surface
planktons
planktons that eat planktons
phytoplanktons / zooplanktons
nektons
strong swimmers (turtles, fish, sharks)
organisms on seafloor
benthos
types of benthos
sessile & motile
sessile
bound
motile
mobile