an animal with flippers; a "wing-footed" animal
pinniped
The ocean covers _________________ of the earth's surface.
Three fourths
_________________________ is a thick layer of fat under the skin of most sea mammals that protects them from the cold and helps them float.
Blubber
What are the three parts of the water cycle?
evaporation, precipitation, condensation
_______________ are a systematic rise and fall of ocean water.
Tides
An _______________________ is a scientist who studies the sea.
oceanographer
has teeth which are fused to form a beak
parrotfish
has an outer covering that forms reefs
coral polyps
a large pinniped with tusks
walrus
the largest flying bird
wandering albatross
to regrow
regenerate
What ocean creature can regenerate (regrow) parts which are cut off?
starfish or sea star
the largest pinniped
elephant seal
What is the difference between a univalve and a bivalve?
A univalve has one shell and a bivalve has two shells.
_____________________ are invertebrates with a crust-like shell.
Crustaceans
a snail that eats mussels
whelk
The most poisonous fish in the world
Stonefish
The fish that swims upright
sea horse
_________________ are tiny plants and animals that float in the upper regions of the ocean.
plankton
a bivalve that forms pearls
oyster
What causes tides?
The gravitational pull of the moon and sun
An ___________________ is an underwater place where water collects.
aquifer
uses tools to crack open sea urchins
sea otter