Animal with a backbone
vertebrate
Phylum that exhibit 5-part radial symmetry
echinoderms
Most primitive type of animal
sponge
Type of scales found in cartilagenous fish
placoid
True sea birds have what
webbed feet
Animal without a backbone
Invertebrate
Phylum characterized by their stinging cells
cnidarians
Name 3 types of worms
earth
tape
plantheminthes
flat
What is a adatation of penguins
flippers,
waterproof feathers
great vision underwater
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
Phylum characterized by jointed appendages
arthropods
Name 5 mollusk
snail, slug, octopus, squid, natulius, clams, mussells, scallops etc
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
What does ectotherm mean
cold blooded
Most organisms in this phylum have a soft body
mollusks
What type of animals have the largest variety of species
insects
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 lloat 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
Stinging cells are called
Cnidocytes
The phylum includes starfish sea brittle and sea cucumbers
echinoderms
What does oviviviparous mean
Live birth or birth within
The ability to maintain body temperature separate from their environment
endotherms
What are pods
Groups of marine animals together