History of Marine Science
List layers of the Earth from Inner most to Outer most
Core - Mantle - Crust
What tools are the most common tool for measuring transparency
Secchi Disk
What is a key characteristic of cartaliginous fish?
Skeleton made of cartalige
Moveable jaw and developed teeth
Placoid Scales
What organisms fall in the Order Carnivora?
Sea Otters, Marine Otters, Polar Bears
What are the two body forms on jellyfish?
Who sailed on the HMS Beagle from 1831−1836 as a naturalist
Charles Darwin
What is the distance from crest to crest of a wave
Wavelength
What color variation uses bars or stripes to break up the siloette of the fish to deceive predators
Disruptive Coloration
Which type of otter is larger?
Sea Otters
What organisms fall under the "Mullusc" category?
Octopus, Squids, Cuttlefish
Who commanded a United States exploratory expedition from 1838−1842 that laid the foundation for government spending of scientific research
Lt. Charles Wilkes
What is one half of the wave height.
What are three examples of fish that fall in the Cartaliginous category?
Sharks, Rays, Ratfish, Skates
What organisms fall in the Order Sirenia?
Manatees and Dugongs
What organisms fall under the "Bivalves" category?
Oysters, clams, scallops, mussles
Who extensively studied the seafloor around the British Isles, Aegean Sea, and other locations in 1840s and 1850s
Edward Frobes
1. When water absorbs all of that heat and energy from the sun, the liquid becomes a gas
2. When water LOSES thermal energy during this process, and moves from water vapor to liquid
1. Evaporation
2. Condensation
What is one key characteristic of jawless fish and the two organisms that fall in this category?
Cylindrical muscualr body
circular mouth with rows of teeth
Hagfish and Lampreys
What is the biggest threat to the polar bear?
ice sheets melting ruining thier hunting grounds
What are the two types of corals and what are their characteristics?
Hermatypic: reef builders, contain zooxanthalae
Ahermatypic: non-reef builders, do not contain zooxanthalea
What was the first major exploration devoted to the study of marine organisms and discovered thousands of species previously undescribed and published 50 volumes of information
Challenger Expedition
What are some factors that would change the transparency of water?
Suspended material, Depth, Change in color
What is the body part of a bony fish that covers and protects the gills?
Operculum
What are the two types of whales? Mention one characteristic for each.
Toothed Whales: teeth, single blowhole, smaller
Baleen Whales: baleen for filter feeding, two blowholes
What are the 5 conditions that are optimal for coral groth?
optimal light
temperature range
salinity range
low sediment
low pollution