Birds and Reptiles
Mollusca
Origins and Histories
Ocean Chemistry
Bony Fish
100
Some marine snakes can be described with this term, meaning young are hatched from internal eggs before being born live.
What is ovoviviparous?
100
All mollusks have these three structures.
What are mantle, foot, siphon, radula?
100
In our solar system, the outer planets are mostly made up of this material.
What is gas?
100
These are the two major ions in the ocean.
What are sodium and chloride?
100
These jawless fish produce copious amounts of slime as a defense mechanism.
What are hagfish or slime eels?
200
This term refers to an organism who's body temperature reflects the environment.
What is ectotherm?
200
Conchs and snails belong to this group of mollusks.
What are gastropods?
200
This people group used stick charts to map winds and currents.
Who are the Polynesians?
200
Pure water is blue, because it absorbs light of this color.
What is red?
200
Clownfish are an example of this type of species, because females produce a large number of offspring but very few survive.
What is an r-selected species?
300
Even with a large population, marine iguanas are only found in this part of the world.
What are the Galapagos Islands?
300
Oysters, mussels and scallops belong to this group of mollusks.
What are bivalves?
300
The life of a star is dependent upon the presence of this element in its core. When this is depleted, the star dies.
What is hydrogen?
300
Ocean pH is affected by the presence of this dissolved gas.
What is carbon dioxide?
300
This body structure is used to sense vibrations in that water, allowing fish to school efficiently.
What is the lateral line system?
400
Marine birds belong to this group if they have webbing between 4 toes.
What are the pelicans?
400
These organisms are the most primitive cephalopods.
What are the nautiluses?
400
This explorer was the first to circumnavigate the globe.
Who is Ferdinand Magellan?
400
The speed of sound in the ocean depends on this characteristic of the water.
What is density (temperature, salinity or pressure)?
400
Cycloid scales would be found on this fish.
What is a bony fish?
500
This is the largest species of sea turtle.
What is the leatherback?
500
Several cephalopods change the color of their skin by using these pigment spots.
What are chromatophores?
500
The crew of this ship set out on the first oceanographic expedition in 1872.
What is the HMS Challenger?
500
Because of the salt content, the density of seawater is about this value.
What is 1.025 g/ml?
500
As top predators, marlin, swordfish and sailfish often have high levels of toxins or pollutants in their tissues. This results from this process.
What is bioaccumulation?
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