General
What is the root word of Chrondrichthyes?
Khondros ikhthus
What domain?
Eukaryote
Are they fish?
Yes
How many species are within the class Chrondrichthyes?
1107 and there are skates, manta rays, sharks, and chimaera.
Sexual Reproduction
What does khondros ikhthus mean in English?
Cartilaginous fish
What kingdom?
Anemalia
Do they have a bone made skeleton?
No it is made of cartilage
What is the scientific name of a zebra shark?
Stegostoma Fasciatum
What respiratory system?
Sharks use gills to breath, rays use spiracles to breath, and chimaeras breath through their noses and keep their mouth closed
What is the definition of Chrondrichthyes?
Jawed fish having a cartilaginous skeleton
What phylum?
Chordata
Are they endo or ectothermic
Endothermic which means they cant regulate their internal body temperature
What is a manta Rays habitat?
They are found all over the globe in tropical and semi-tropical waters.
What kind of circulation do they have?
2 chambered heart
What are some examples of habitats?
Varying ocean depths including shallow waters, and the coasts.
What subphylum?
verbrata
Do they eat other animals?
Yes they are predators
What energy role does a skate have?
Consumers
How does the reproduction happen?
They lay eggs inside the females body, and they give live birth
How many years does the class of Chronrichthyes date back?
455 million years!!!!
What makes them a verbrata?
They have a cartilage backbone
How many Paris of gills?
5-7 pairs
Where would you find a chimaeria?
Extreme depths In all oceans except for the Artic
What type of circulatory system do they use?
They use closed circulatory system which means the blood doesn’t float around in their bodies and have 2 chambered hearts.