Ocean Basics
What is salinity?
The amount of salt in ocean water.
Does water get warmer near the surface of deeper in the ocean?
Near the surface
What is plankton?
Tiny drifting organisms in the ocean.
Animals like clams, snails, and squid are?
Mollusks
What keeps whales warm?
Blubber.
What part of the ocean is warmed the most by the sun?
The surface
Is warm water more or less dense then cold water?
Less dense
What are red tides?
Harmful algae blooms
what are arthropods?
Animals like crabs and lobsters with exoskeleton.
What are cartilaginous fish?
Fish with skeletons made of cartilage.
What are ocean currents?
Large streams of moving water in the ocean
What is a tidal cycle?
The repeating rise and fall of sea level
What is ocean acidification?
The process of Ocean becoming more acidic from absorbing CO2
What builds coral reefs?
Coral polyps.
What do dolphins use to hunt?
Echolocation
What causes tides in the ocean?
The gravitational pull of the moon
What do scientist use to explore deep parts of the ocean?
Submersibles or ROVs
A group of animals including jellyfish and corals are a?
Cnidaria
What causes coral bleaching?
Loss of algae living inside of coral.
What do sea turtles go on land?
To lay eggs.
What is the great pacific garbage patch?
A large area of floating trash in the pacific ocean
What is the thermocline?
The layer separating warm surface water and cold deep water.
Animals like starfish and sea urchins are?
Echinoderms
What are cnidarians known for?
Having stinging cells and radial symmetry.
What are marine reptiles?
Reptiles that live in the ocean like sea snakes and crocodiles.