History and General Knowledge
Characteristics
Habitats and Movement
Metabolism and Growth
Feeding, Reproduction, and Sensory Systems
100
Sharks, skates, rays, and chimaeras all make up this class.
What is chondrichthyes
100
These, used for respiration are found on the side of a shark.
What are gills
100
Sharks use this as their primary form of propulsion.
What is their tail
100
This is the amount of time a white shark can last on a single meal.
What is 6 weeks
100
chimaeras are also known as this.
What are rabbitfishes
200
These, often found in bony fish for movement within the water column, are absent in sharks.
What are gas bladders?
200
the anterior edge of this fin is not connected to the side of the head in sharks.
What is the pectoral fin
200
This ocean is the only ocean that does not have more than one species of elasmobranch.
What is the Arctic Ocean
200
Muscles and stomachs in sharks are usually maintained this much warmer than the surrounding water temperature.
What is 7-10 degrees celcius
200
Giving birth to live young is also referred to as this.
What is viviparity
300
Most living chondrichthyans appeared by this time (name of era or in years)
What is the Upper Jurassic (~150 mya)
300
Sharks can be large (12+ meters in length), but they can also be as small as this.
What is 17 cm
300
this percentage of elasmobranchs are found primarily in freshwater.
What is 5%
300
The longest living elasmobranch can reach this age.
What is 40 years old
300
This many species of elasmobranchs are considered high risk status.
What is 86 species
400
Shark morphologies are similar to ancestral Paleozoic and Mesozoic species, an example of this type of evolution
What is convergent evolution
400
This percentage of sharks are less than 2 meters in length.
What is 20%
400
these type of scales allow for streamlining in sharks.
What are placoid scales
400
This helps warm arterial blood returning from the gills.
What is countercurrent exchange
400
White sharks express this type of upper jaw.
What is palatoquadrate jaw
500
Name 2 of the 3 most derived sharks species.
What are the hammerhead, saw, and/or angel sharks.
500
This type of shark outnumbers all other types combined.
What is ground or requiem sharks
500
This Hollywood actress inspired the name given to the great white shark that migrated from South Africa to Australia and back.
Who is Nicole Kidmann
500
This is the number of informative slides in my slide show (double points if answered correctly, normal point value within 2 slides)
What is 20 slides
500
Name the guanine platelets behind fish retinas that increase night vision.
What is tapetum lucidum
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