A strong, but flexible material that makes up a shark skeleton
What is cartilage?
The name of the organ that allows bony fish to float.
What is a swim bladder?
Thw name for the part which connects a fin to the body of the fish.
What is a peduncle?
The number of chambers in a fish heart.
What is two?
In order to have an endoskeleton, you must have one of these.
What is a backbone, vertebrae or a spine?
The organ that sharks use to create buoyancy.
What is an oily liver?
The name of the covering on a bony fish's gills.
What is an operculum?
The Ampullae of Lorenzini picks up this kind of information.
What is electrical fields or signals?
The total number of species of fish.
What is 20,000 to 30,000?
This is the nickname for a shark or ray's egg case.
What is a "mermaid's purse"?
The name for the type of scales that a cartilaginous fish/shark has.
What is "dermal denticle"?
This term describes the process of external breeding that happens with bony fish.
What is spawning?
This words describes and animal that eats only fish.
What is piscivorous?
The range of sizes for a shark.
From 5-6 inches to over 50 feet.
A lamprey and a hagfish are two examples of this class of fish.
What is jawless?
Sharks and rays breathe through these.
What are gill slits?
These can protect a fish from infection and bacteria.
What are scales and mucus?
The name of the fish that was thought to extinct but was found alive off the coast of Madagascar.
What is a coelacanth/
Only about 600 of the 20,000 species of fish are this kind.
What are cartilaginous fish?
The material that scales are made from.
What is keratin?
The name for the organ on a male sharks pelvic fin that is responsible for fertilization.
What is a clasper?
The scientific word that means "bony fish"
What is "osteichthyes"?
"Neckton" is the word used to describe this type of sea life?
What is swimming- not floating organisms.
Sharks can have about 3000 of these in their life time.
What is teeth?
Three adaptations that allow a fish to live in water.
What are fins, scales and gills? (swim bladder/oily liver)