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Marine Ecology
N/A
25
Other
Undergraduate 1
10/27/2012

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Term
characteristics of life
Definition
reproduction
maintain homeostasis
respiration
capture, store, and transmit energy
change through time
Term
ecology
Definition
the study of the inter-relationships between the physical (abiotic) and biological (biotic) aspects of the environment, study of how organisms adapt to and alter their environment
Term
how many species live in the ocean
Definition
over 250,000 but census of ML recently another 6,000, likely more than 750,000 species yet to be discovered of the 1,000,000 thought to exist
examples: christmas tree worm, vampire squid
Term
classification used in zoology
Definition
linnaeus
kingdom
phylum
class
order
family
genus
species
Term
how do you name an organism
Definition
genus + species
Term
kingdoms
Definition
monera
protista
fungi
plantae
animals
Term
monera
Definition
bacteria, including cyanobacteria and archea
Term
protista
Definition
single or multi-celled organisms, algae or animals
Term
fungi
Definition
abundant in the intertidal zone are important in decomposition, overall very few in ocean
Term
plantae
Definition
plants, free floating/attached
Term
animals
Definition
multicellular animals
Term
prokaryote
Definition
no nucleus
no membrane-bound organelles
usually DNA in a single circular molecule
Term
eukaryote
Definition
nucleus
membrane-bound organelles
Term
phylogenetic tree of life
Definition
Term
carl woese
Definition
look 16-s rRNA (makes protein): structure of base pairs
begin to construct how organisms look by genes and how they are related
found missing an entire domain of tree: archea
hadn’t been trained as a microbiologists, so he didn’t have this bias
Term
phylogenetic tree of life
Definition
bacteria
eukaryote
archea
Term
bacteria
Definition
3 billion yrs ago, first organism on earth
prokaryote
tiny
Term
bacteria shapes
Definition
spirilla: spiral
bacilli: rod
cocci: circle
Term
archea
Definition
maybe predates bacteria (3.5 billion years ago)
most are anaerobes (incapable living in air)
thrive in extreme conditions: hot springs, freezing water (although they have been found everywhere)
square shaped cells
only microbes responsible for making methane
Term
eukaryotes
Definition
defining membrane-bound structure that differientiate eukaryotic cells prokaryotic cells is the nucleus
ex) animals, plants, fungi, and protists
developed 1.6-2.1 bya
Term
two major marine provinces
Definition
benthic: bottom sediment
pelagic: water column
Term
benthic
Definition
bottom, sediment
littoral: intertidal
sublittoral: 0-200
bathyal: 200-2000m
abyssal: 2000-6000m
hadal: over 6000m
Term
pelagic
Definition
water column
epipelagic: surface-200m
mesopelagic: 200-1000m
bathypelagic: 1000-2000m
abyssalpelagic: 2000-6000m
hadalpelagic: less than 6000m
Term
euphotic
Definition
light is sufficient for photosynthesis
Term
dysphotic
Definition
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