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32 Cards in this Set

  • Front
  • Back
The earth is approximately ___ billion years old
4.5
Humans are only ______ years old
500000
The lithosphere is made up of plates called
tectonic plates
_______below the surface rises through cracks between the plates deep in the ocean floor
liquid rock
as liquid rock meets _______, the rock hardens and _______
cool water, pushes the plates apart
when plates shift ______ occur along the edges
earthquakes
when movements of the plates cause the lithosphere to buckle ___ form
mountains
breaking down of rocks by weather and water
weathering
broken down material is carried off
erosion
-wind erosion
-water erosion
-sand erosion
a long period of cooling during which huge glaciers grow and extend from the polar regions
ice age
sea levels are ___ during the ice age
lower
evidence of at least ___ major ice ages in earths history
5
example of glacial erosion
cape cod/ great lakes
El nino occurs due to ___
warm, nutrient poor water
_____ and the earths _____ drive many of the daily/sensonal changes
sunlight, rotation
water vapor, carbon dioxide, sulfur gases
ancient atmosphere
combining water, cabon dioxide, and sunlight to produce food
photosynthesis
oxygen, carbon dioxide, water vapor, and nitrogen
today
almost all ____ comes from the sun
energy
sunlight -->____ --> animal --> higher animals
plants, higher animals
need to seek food, water, shelter and mates
living space
area claimed as a living space by an animal
territory
competition for ___ is an important process of evolution
space and resources
life process within the body slows down
dormant
dormancy in animals
hibernation
a group of organisms so similar to one another that they can breed and produce fertile offspring
species
specific enviroment a particular species lives (destruction of this = extinction)
habitat
total area in which a species can live
geographical range
all the members of a species that live in the same geographic area
populations
all the different populations that live and interact in the same area
community
includes all the communities in an area as weell as abiotic factors
ecosystem
the varied number of species in an ecosystem
biodiversity