A substantial freshwater body of water surrounded by land.
What is a lake?
100
This is the original purpose of scales.
What is used for fish armor?
100
This organism lives in symbiosis with Gobies.
What is shrimp?
100
These are a few common estuaries.
What are bays, lagoons, harbors, inlets, or sounds?
100
This is the amount of water that would weigh approximately 8.8 lbs.
What is a gallon?
200
This is the number of different ways a frog can breathe throughout its life cycle.
What is three? (gills as a tadpole, lungs and skin as adult)
200
This oceanic zone can have a Hydrostatic pressure in the range of 16,000 lbs per square inch.
What is the Trench Zone or Hadel Zone?
200
Tentacles of coral are adapted to grab this organism.
What is plankton?
200
This is the type of estuary which occurs at river mouth where the river flows directly into the ocean.
What is a Salt Wedge Estuary?
200
True or False? Oceans are deepest in the middle.
What is False? The deepest parts of oceans tend to correspond with where tectonic plates meet and push against each other causing trenches.
300
This is the name of the gas filled organ that allows a fish to control its buoyancy.
What is the Swim Bladder?
300
It was delimited as an ocean in the Spring of 2000 by the International Hydrographic Organization.
What is the Southern Ocean?
300
Reef dwelling fish are torpedo-shaped for this primary reason.
What is speed?
300
This is the type of estuary where the rate of evaporation is so high that salinity increases and can even be greater in the estuary than in the coastal waters.
What is a Reverse or Inverse Estuary?
300
True or False? Sea level is at 0 sea level.
What is false? The sea level of bodies of water can be above or below sea level all of the time or change with the tides.
400
This is the number of pairs of eyelids Crocodiles, Alligaors and some Frogs have.
What is two? (One set like human eyelids that cover the eyes and the other set is so the creatures can see underwater)
400
A Pacific Ocean trench that is nearly three and a half times deep as Mount Baldy is high.
What is the Marinas Trench?
400
This fish is a venomous coral reef fish showing its potency with its vivid warning coloration.
What is the Lionfish?
400
This is the type of estuary which is deep with a great input of freshwater from rivers and sometimes limited tidal influence.
What is an Fjord-Type estuary?
400
This lives inside coral polyps and uses the sunlight to make food.
What is algae called Zooxanthellae?
500
True or False - Alligators can breathe underwater.
What is False? Alligators can stay underwater for long periods of time, this is because they can slow their breathing and metabolism which allows them to stay underwater for long periods.
500
Absorb oxygen through gills or lungs.
How do most mobile animals absorb oxygen?
500
Parotfish have this type of evolved mouth, perfect for scraping algae from hard coral surfaces.
What is a beak-like mouth?
500
True or False? Estuarine environments are among the most productive on Earth, creating more organic matter each year than comparably-sized areas of forest, grassland, or agricultural land.
What is True?
500
This is the most essential component of coral reefs.