The first expedition devoted to studying marine organisms
Challenger
What are the three layers of the earth (outside to inside)
crust
mantle
core
dissolved salt content of a body of water
salinity
fish with a skeleton made of cartalige and 1 example species
cartaliginous
sharks, skates, rays, ratfish
specific types of whales use this for filter feeding
baleen
Commander of first governmently funded marine expedition
When one plate dives below another
subduction
Secchi Disk
fish with muscular body and circular mouth and 1 example species
Jawless
lamprey and hagfish
organisms that are in carnivore category
sea otter
marine otter
polar bears
Sailed on HMS Beagle from 1831-1836 as naturalist
Charles Darwin
when sea-floor moves away from a mid ocean ridge to create more sea-floor
sea-floor spreading
Water changes directly from solid to gas
sublimation
coloration pattern that tells other fish it could be poisinous or taste bad
warning coloration
organisms that are in cetacean category
whales
dolphins
Scientist who expensively studied the sea floor; British Isles, Agean Sea
Edward Forbes
Which type of crust is older, light colored, made of granite, and less dense
continental
one half of the wavelength
amplitude
the mechanism that gives fish sensory information
lateral line
Species of otter than is larger, live offshore, and hang in groups called rafts
mapping coastlines
where two plates slide past each other without creating or destroying lithosphere; geologically active area
3 factors that affect water transparency
suspended or dissolved material
depth
water color
operculum
Three characteristics that are different in seals and sea lions
ears - seals have ear flaps
neck/head - seals have a neck
how they move - seal walk on thier flippers