Show:
Jawless Fish
Cartilaginous Fish
Bony Fish
Sharks
Misc. Fish
100
These are the only two existing jawless fish
What is lampreys and hagfish
100
Cartilaginous fish include these three fish
What is sharks, skates, and rays
100
These are the two types of bony fish
What is ray finned and lobed finned.
100
This type of shark is the most abundant
What is dogfish
100
All fish have this, which allows them to detect chemicals in their surrounding.
What is chemoreception
200
Jawless fish have this type of reproduction
What is external
200
All cartilaginous fish have this type of fertilization
What is internal
200
Bony fish have a this many chambers in their heart
What is 2
200
THis type of shark is the fastest
What is mako
200
This system is unique to fish, it allows them to sense vibrations in the water.
What is lateral line
300
lampreys are considered these type of feeders
What is parasitic
300
This controls buoyancy in cartilage fish.
What is liver
300
This was thought to be extinct, and is an ancestor of amphibians
What is coelacanth
300
Sharks belong to this class of fish
What is chondrichthyes
300
This is a reproduction method where egg and sperm are released into the water.
What is spawning
400
This is a special characteristic of hagfish, in that their body fluids have the same ion concentration as sea water.
What is isotonic
400
Cartilaginous fish are covered in placoid scales, which reduce this
What is turbulance
400
This is a double row of thin projections, where gas exchange takes place.
What is gill filaments
400
In very large sharks, the gill rakers are important to do this
What is separate food from water
400
In bony fish, this receives deoxygenated blood from the body and sends it to the atrium
What is sinus venosus
500
Rays and skates have to take water in through these because their mouths are facing the ground.
What is spiracles.
500
The midbrain contains this important feature that processes info from the fish's visual, auditory and lateral line systems.
What is optic tectum
500
These are the 3 largest sharks
What is whale, basking, and megamouth
500
The ampullae of Lorenzini does this
What is detects weak electrical fields