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Biol 100
biol 100 cards
63
Biology
Undergraduate 1
02/26/2012

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Term
Sphere 3 types, name them.
Definition
Atmosphere, lithosphere, hydropsphere
Term
Atmosphere
Definition
The gaseous mass or envelope surrounding a celestial body, especially the one surrounding the earth, and retained by the celestial body's gravitational field.
Term
Lithosphere
Definition
The outer part of the earth, consisting of the crust and upper mantle
Term
Hydrosphere
Definition
The waters of the earth's surface as distinguished from those of the lithosphere and the atmosphere.
Term
Diffusion
Definition
movment from a high concentration, to a lower concentration.
Term
Osmosis
Definition
Diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane.
Term
Bacteria
Definition
Older organism, no organilles, no nuclius, single celled, prokaryotes, intestine, yogurt/chesse, staff, chlamidia, ecoli injested"bad", ecoli intestine is good
Term
Archea
Definition
Older organism, no organilles, no nuclius, single celled, prokaryotes, solfer, heat, cold, extreme conditions, toxic, acidic, extremeophiles
Term
prokaryotes
Definition
no organilles, single cell, can be pathagenic, can be benaficial, animals,plants,fungi,protists
Term
eukaryotes
Definition
have organilles, nuclius, multi celled, complex organism.
Term
viruses
Definition
non living, must infect host to take over, cell duplication, inject their dna or rna then replicate, h1n1 flu, hep c, rihnovirus"cold", hiv, herpies, cant divide
Term
Dna
Definition
genetic coding
Term
Rna
Definition
molicule which manufactures protiens.
Term
autotrophs
Definition
Plants, unique, create own food, cellulose. h20 nutrients, sugar,
Term
heterotrophs
Definition
eats plants and other heterotrophs, need to gain energy from other sources
Term
analgous trait
Definition
similar trait shared by 2 different groups, not a comon ancestor.
Term
ancestrail trait
Definition
shared by a comon anc. to all species in a group
Term
vestiglad organ
Definition
tonsils, appendit
Term
chemcautrophs
Definition
use chemical for energy growth, found in thermal vents, hot springs volcano
Term
evolution
Definition
fossil evidence, homologous structures, similar structures with modifacations. hand leg flippers batwing... trait shared by 2 speices from a common ancestor.
Term
derived trait
Definition
appears after a split from a common lineage.
Term
artificial selection
Definition
cows, live stock, bigger more meat.
Term
natural selection
Definition
survival of the fittest,disease.. yata yata
Term
single gene
Definition
natural mutation, gene duplication, chance of error during complication.
Term
mutations
Definition
random change in dna, 1 good, 2 bad, 3 neutral
Term
gene recombination
Definition
during division make up genes
Term
genetic drift
Definition
all elements frequencies change over time
Term
macro evolution
Definition
greater faster change
Term
micro evolution
Definition
small changes
Term
environment
Definition
sea to land, change atm, dome by plants and bactiria
Term
diversity
Definition
more plants animals and insects that are stable
Term
mono culture
Definition
one crop, problems, dies out, drought, insect infestation. plant diseas
Term
natural state
Definition
land, variety of plants. most of one certain plant
Term
# of speices on planet
Definition
1.5 mil known 30-50 mill believed, ocean rain forest.
Term
endangered
Definition
that will go extinct
Term
threatened
Definition
declining but can help recover
Term
1% of bacteria is?
Definition
pathagenic, food hot or cold, survive 165--36
Term
ph scale
Definition
lemon-2 coffee tomato-3 nitric acid-0 tears blood- 7 milk saliva-6 sea water eggs-8 baking soads-9 salt lake- 10 glass cleaner-11 ammonia- 12 bleach-13 drain cleaner-14
Term
cell organization
Definition
atoms protons nutrons electrons nuclius, S,H,He,Mg,Li,Ca,K,Fe,Ni
Term
combine molecules
Definition
2 or more elements
Term
organekks
Definition
found in cells mitochondria ribosomes nuclius golgi apparatus rought smooth
Term
tissue
Definition
cell working together for a pupose
Term
organ
Definition
2 or more tissues working together
Term
organ system
Definition
bodys parts functioning
Term
organism
Definition
part of oranism fucntiong as whole
Term
popultaion
Definition
human of same species
Term
adult fever/child
Definition
104-104 105-106
Term
material/molocule
Definition
is to big to diffuse of osmoses across cell wall
Term
greenhouse/global warming
Definition
heat trpeed human caused
Term
vectors are oramisms that
Definition
transfer
Term
paratism
Definition
relationship between two orgamnisms which one benefits and other is caused damahe
Term
symbiosis
Definition
benefical to both organisms involved
Term
mycarrhizae
Definition
helps nutrients to be utilized by sahring roots of plants
Term
fungi
Definition
live on dead things, eucarya multi cledded sopre reproduction cell wall is chitin stiffens insects shells
Term
commenslism
Definition
neither organism is harmed
Term
cuticle
Definition
waxing covering
Term
stomata
Definition
cells on the underside covering for protection
Term
why do cells divide?
Definition
surface volume ratio so nutrients and waste can diffuse
Term
heterotrophs
Definition
animals insects bacteria
Term
4 common elements that living organisms are composed of
Definition
C,O,H,N
Term
electrontranspor chain
Definition
32-38 atp
Term
anaerobic
Definition
8 atp
Term
nuclius
Definition
stores dns controls acctivity of cell dna is unique douvle helit manifactures rnd dna is only in nuclius rna made in nuclius and moved out to cytoplasm
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