Agnatha
An example of an animal in this class.
What is a sea lamprey or hagfish?
An example of an animal in this class that is the fastest swimmer in the ocean.
What is a Sailfish?
An example of an animal in this class that is the largest fish in the world.
What is a whale shark?
All mammals have hair for warmth, are warm blooded, give birth to live young and nurse their young, and have a _____ chambered heart.
What is 4?
An example of an animal in this class that is unable to fly.
What is a penguin?
Animals in this class have a skeleton made of this.
What is cartilage?
In order for fish to breathe, water enters here first.
What is the mouth?
Male fish in this class have these to reproduce sexually.
What are claspers?
Whales and dolphins use this structure to take air into the lungs to breathe.
What is a blowhole?
This animals is the largest sea turtle species in the world.
What is the leatherback sea turtle?
Animals in this class are missing the paired fins.
What are the pectoral and pelvic fins?
Fish rely on this structure to feel the water for movement.
What is the lateral line?
Rays and skates take water in through these on the back of their head in order to breathe.
What is the spiracles?
Animals use this to focus the sound in a particular direction during echolocation.
What is the melon?
These animals are cold blooded, because they are unable to regulate their body temperature.
What is ectothermic?
A type of symbiotic relationship that is common within this class.
What is parasitism?
These types of fish use this structure to control their buoyancy.
What is the swim bladder?
These are the type of scales found in this particular class.
What are placoid scales?
This is the order that whales, dolphins, and porpoises belong to.
What is a Cetacean?
This is the top shell of a turtle.
What is a carapace?
Animals in this class have a structure that is similar to the backbone but is more flexible.
What is the notochord?
These types of fish have a protective covering over their gills.
What is an operculum?
Animals in this class rely on this to detect electrical stimuli from prey in the water.
What is the Ampullae of Lorenzini?
This is the suborder that seals, sea lions, and walruses belong to.
What is a Pinniped?
Reptiles evolved from these animals over 200-300 million years ago.
What are amphibians?