Air and Sea
What layer of the atmosphere is the closest to Earth?
Troposphere
What is the primary force that causes ocean tides?
Gravitational pull of the moon.
What dissolved gas is the most essential for Marine organisms?
Oxygen
Which fin is best for quick acceleration through the water? Dorsal, Pectoral, or Caudal fins?
Caudal Fins
What is a Nematocyst? BONUS 50 points-- What Phylum has them?
Stinging cells found in the Phylum Cnidaria!
In an El Nino year, winds change due to changes in atmospheric _________________.
In an El Nino year, winds change due to changes in atmospheric PRESSURE.
Which type of tide produces high tides that are lower than normal and low tides that are higher than normal?
A. Neap Tides B. Diurnal Tides C. Spring Tides D. Semi diurnal Tides
A. Neap Tides
How do Zooplankton get their food in the Marine ecosystem?
They are consumers and must eat other organisms.
What does the water vascular system help Echinoderms do?
Move (Locomotion)
Where do benthic organisms live?
In or on the sea floor.
Temperature and Salinity-- THERMOHALINE CIRCULATION
When Tsunamis approach shore, their speed _________ and their height ______________.
When Tsunamis approach shore, their speed decreases and their height increases.
Explain suspension feeding
Organisms filter tiny organisms out of the water to eat.
Fish feeding on parasites attached to sharks is an example of what type of symbiotic relationship? Think back to biology!
Mutualism-- they both benefit!
Give an example of a Marine Arthropod.
Crayfish, shrimp, lobster, crab.
What causes global atmospheric circulation?
Unequal heating of the Earth by the sun and the Earth's rotation
When Waves bend as they approach shore it is called _______________.
When Waves bend as they approach shore, it is called Refraction.
How do Marine organisms, such as salt water fish, maintain salt concentrations?
They actively pump out excess salt from their bodies.
What are 2 ways Coral Reefs benefit their environment?
Provide Oxygen
Create Habitat
Act as a barrier for storms and storm surges
How do fish sense changes in water pressure and movement?
Their lateral line
The Coriolis effect is the bending/deflection of air or water caused by the rotation of Earth.
Name the 3 factors that affect the height of a wave.
1. Wind Speed
2. Wind Duration
3. Fetch
How do Marine organisms deal with changes in water pressure?
Adjust gas filled structures in their bodies and evolved squishy bodies.
What three characteristics do ALL mollusks have?
Radula, Mantle, Foot, (Could also say shell).
Give two differences between Cartilaginous fish and Bony fish.
C- oily liver for buoyancy, no bones, Plaquoid scales
B- bones, swim bladder, different scales.