Slide 2:
Fish-Is a vertebrate that lives in water and uses fins to move.
Key?-What are the characteristics of most fishes
A-In addition to living in water and having fins, most fishes are ectoderms, obtaining oxygen through out the gills, having scales. Characteristics of fish
Slide 3:
Characteristics of Fishes
Slide 4:
Jawless Fishes are unlike an types of fished because they are jawless (hints the name) and have no scales.
There are only two types of fishes alive today, Hagfishes and Lampreys.
Jawless Fishes get their food by placing their mouths on healthy-fishes scales and suck out the tissues and the blood. Jawless Fishes
Jawless Fishes :
Jawless Fishes
Slide 6:
Cartilaginous Fishes are jawed fishes with paired fins, paired nears, scales, two-chambered hearts, and skelatons made of cartilage NOT bone.
Their red blood cells are produced in the spleen.
They have 5-7 gills depending on their species.
Kinds of them are hammerhead sharks, great white sharks, sting rays, and more. Cartilaginous Fishes
Cartilaginous Fishes :
Cartilaginous Fishes
Slide 8:
An Osteichye also called a boney fish, have a boney skeleton. They are the vast majority of fish, which is in extremely diverse and abundant group consisting of over 29,000 species. It is the largest class of vertebrates in existence today. Boney Fishes
Boney Fishes :
Boney Fishes
Slide 10:
The End