Vocabulary
marine biology
The amount of light in water _____ as the water becomes deeper
decreases or spreads apart
How much of the earth is covered by oceans?
about 71%
True or False: coral are plants
False - coral are animals
_____ means that something is exactly the same on both sides.
low tide
True or False: all sea creatures stay in their specific zone
False - some sea creatures migrate between zones
True or False: the warmest ocean water is found near the equator.
True
Coral is made up of tiny animals called ____.
polyps
True
a shallow body of water that remains within rocks along the intertidal zone during low tide
tide pool
the brightest zone of the open ocean (so NOT the intertidal zone) is called _____
the epipelagic or sunlight zone
Buoyancy is how well an object _____.
floats
Name one job of the coral's tentacles
defend the coral, capture food, or clear out debris
True or False: crabs are radially symmetrical.
False - a crab cannot be divided in more than one way. Having one line of symmetry is called bilateral symmetry.
True or False: photosynthesis occurs in the mesopelagic zone
False: the mesopelagic zone is also known as the twilight zone because there is only a dim amount of light that reaches this zone, but not enough for plants use for photosynthesis
Ocean water is unique because it contains ____.
salt
All coral is divided into what two types?
hard coral and soft coral
Name one animal that is a Cnidarian.
jellyfish, coral, and sea anemones
the area of the ocean shore found between the high tide and the low tide
intertidal zone
What Greek god was the hadopelagic zone named after?
Hades
What are the names of the traditional five oceans?
Pacific, Atlantic, Indian, Artic, and Southern
Hard coral tentacles grow in multiples of _____.
six
Name two animals that are echinoderms.
starfish, sand dollars, sea cucumbers, and sea urchins