unit test (space, ecology) Flashcards
inner terrestial def
rocky, in solar system
outer gaseous def
outside solar system, gas
meteoroid def
(rock and metal) outside earths atmosphere
meteor def
in earth’s atmosphere (rock and metal)
meteorite
hit earth (rock snd metal)
asteroid def
small rock orbiting sub
comet
make of ice and dust, trail of gas
why is north anerica colder in the winter?
earths axis
lifecycle of a small star
nebula, protostar, main sequence, red giant, planetary nebula, white dwarf, black dwarf
lifecycle of a large star
nebula, protostar, main sequence, red supergiant, supernova, black hole OR neutron star
how much of the suns heat is trapped by the atmosphere
19%
name 4 greenhouse gases
nitrous oxyde, carbon dioxide, methane, water vapor
equ. for photosynthesis
carbon dioxide+water+light=glucose+oxygen
equ. for cellular resp.
glucose+oxygen=co2+water+useable energy (ATP)
ways that carbon moves
photosynthesis, cellular respiration, burning of fossil fuels, decomposition, forest fires(B->A), soil tilling (L->A)
what is carbon sequestration
removing carbon frim the atmosphere
ways nitrogen moves
nitrogen fixing (a->b), assimilation (l->b), fertilzer runoff (l->h), denitrification (l->a)
hydrologic cycle
condensation, transpiration, evaporation, surface runoff, aquifers
define threatened
a species facing immenent extinction
define special concern
a species with characteristsicts tgat makes it more killable by human acticvity
define exterpated
doesnt exist in a certain area
all planets closest to farthest from sun
mercury, venus, earth, mars, asteroid belt, jupiter, saturn, uranus, neptune, pluto
