A type of color pattern that blends in from top to down with dark colored depth and from bottom up with lighter sky.
Counter-shading
Scientific name for cetaceans that use teeth to rip their prey apart and have 1 blowhole
odontocetes
Most primitive type of fish
jawless
Type of scales found in cartilagenous fish
placoid
Scientific name for the group of mammals that have a strong fluke for propulsion, dorsal fin, little hair except on face and have layers of blubber under skin for insulation & warmth
cetaceans
The name for a streamlined body shape that allows for fast swimming.
Torpedo or Fusiform (double points)
Pinnepeds must do what in order to molt, mate and give birth?
haul out
Type of fish that do not easily fossilize because the material they are made of decomposes quickly
cartilagenous
type of fin that helps to stabilize the animal & keep it from rolling over
dorsal
The type of mammals that have dense coats of fur and spend most of their lives at sea and on sea ice
Polar bears
when food is suspended in the water column and can be ingested by animals that typically don't move
filter feeding
Scientific name for cetaceans that use baleen plates to strain their food from the water and have 2 blowholes
Mysticetes
2 types of tail shapes that support fast speeds for long distances
crescent & forked
Type of organism that has hair & is warm-blooded
mammal
Scientific name for the group of mammals that are more agile in water, but must come on land to give birth and nurse their young
Pinnepeds
Phylum that is primarily composed of vertebrates but does include a few invertebrates
chordates
What prohibits the "take" of marine mammals in U.S. waters and by U.S. citizens on the high seas, and the importation of marine mammals and marine mammal products into the U.S.
Marine Mammal Protection Act
Type of mouth that allows the fish to feed on prey above it in the water column
superior (up-pointing)
Type of mammals that are great divers, but only hold their breath for a few minutes, are very flexible due to lack of collarbone and float on their backs and open shells with their teeth or rocks
Sea otters
The scientific name for the group of mammals that spend their entire lives in warm, shallow, coastal waters and are vegetarians with flattened tails
Sirenians
1.series of small cavities which all together work to detect vibrations in water
lateral line
What is the general recommended viewing distance when encountering marine mammals?
50 meters (55 yards)
flap of flesh that covers the gills of fish
operculum
The ability to maintain body temperature separate from their environment
endothermic
Specific type of mammal that live in the Indo-Pacific, are vegetarians, and have tail flukes with pointed projections
Dugong