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Lab Midterm
labs for Overton
46
Biology
Undergraduate 4
07/12/2011

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Cards

Term
Carnivorous
Definition
an organism that feeds on animal protein
Term
epipelagic zone
Definition
the portion of open water that is illuminated by the sun, roughly the top 100-200 meters of the ocean.
Term
planktivorous
Definition
an animal that eats plankton
Term
pod
Definition
a cetacean social group
Term
tags
Definition
instruments that send signals to satellites maintained by the ARGOS system in Largo, Maryland, and Toulouse, France.
Term
anoxia
Definition
waters with no oxygen
Term
cellular respiration
Definition
a process completed by autotrophs and heterotrophs to convert oranic compounds and oxygen into usable energy (ATP) and release carbon dioxide
Term
dissolved oxygen
Definition
measure of the amount of oxyfen within waters
Term
estuary
Definition
a body of water where fresh water from a river mixes with ocean water, usually an area with high biological productivity
Term
eutrophication
Definition
a natural process of nutrient overloading in waters through runoff from farmlands, fertilizers, and even coastal developments
Term
fauna
Definition
the variety of organisms that exist within an area, including micro- to macro- organisms
Term
gulf of mexico
Definition
body of water between Mexico and Florida, where scientists have found a hypoxic zone
Term
hypoxia
Definition
low oxygen levels
Term
mississippi river
Definition
major river in the central united states that empties into the gulf of mexico
Term
F=
Definition
(C*1.8)+32
Term
C=
Definition
(F-32)/1.8
Term
continental shelf
Definition
the edge of a continental slope
Term
shelf break
Definition
an abrupt change in the underwater landscape that occurs where the continetal shlef ends 
Term
continental slope
Definition
the transition between the continental shelf and the deep floor of the ocean
Term
submarine canyon
Definition
underwater canyon similar to canyons on land that are found on some continental slopes
Term
turbidity currents
Definition
a swift underwater avalanche of sediment and water
Term
continental rise
Definition
a gentle slope at the base of a steep continental slope
Term
abyssal plains
Definition
a flat expanse at the bottom of an ocean basin
Term
ridge and rise system
Definition
a long mountain range that forms along cracks in the ocean floor where erupting magama breaks through the earths crust
Term
rift valley
Definition
an area of high volcanic activity that runs along portions of a mid ocean ridge
Term
rift zone
Definition
a region where the lithosphere splits, separates and moves apart as new crust is formed
Term
guyot
Definition
an isolated underwater volcanic mountain also known as a seamount( a steep sided formation that rises sharply from the ocean bottom)
Term
seamount
Definition
a steep sided formation that rises sharply from the ocean bottom
Term
abyssal hill
Definition
a hill on the ocean floor formed by volcanic activity
Term
subduction zone
Definition
region of the ocean floor where old crust sinks to the earths core and is recycled
Term
abiotic
Definition
describes the physical and chemical aspects of an organisms environment
Term
biotic
Definition
relating to life and living organisms or caused by living organisms
Term
seine net
Definition
a large fishing net made to hang vertically in the water by weights at the lower edge and floats at the top
Term
plankton
Definition
small organisms that float or drift in great numbers in bodies of salt or fresh water. 
Term
food chain
Definition
a succession of organisms in an ecological community that constitues a continuation of food energy from one organism to another as each consumes a lower member and in turn is preyed upon by a higher member
Term
water quality
Definition
is the physical, chemical, biological characteristics of water
Term
zooplankton
Definition
are the heterotrophic (sometimes detritivorous) type of plankton
Term
adaptations
Definition
is the process whereby an organsim becomes better suited to its habitat. this process takes place over many generations and is one of the basic phenomena of biology
Term
pH
Definition
a measure of the acidity or alkalinity of a solution
Term
turbidity
Definition
is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) that are generally invisible to the naked eye, similar to smoke in air
Term
Spot fish
Definition
leiostomus xanthurus, they have their name because of the large spot located at each gill
Term
at. croaker
Definition
micropogonias undulatus, this fish is one of the most abundant fishes in north america
Term
spotted sea trout
Definition
cynoscion nebulosus, this specie is most active at dawn and dusk
Term
red drum
Definition
sciaenops ocellatus, and they spawn near the shorelines
Term
bay anchovy
Definition
anchoa mitchilli, is the most abundant and commonly found fish in the chesapeake bay
Term
inland silverside
Definition
menidia beryllina,these fish have large eyes and upturned mouths and a flat head
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