Jawed

Living jawed fishes are also known as

Gnathostomes

Class Chondrichthyes has what kind of fishes

Cartilaginous

Cartilages is composed of what specialized cells

Chondrocytes

What do Chondrocytes produce

Collagenous extracellular matrix

What scales reduce the turbulence of water flow over the body

Placoid

Class Chondrichthyes are lacking

Swim bladder

What does the class Chondrichthyes use instead of their swim bladder to maintain buoyancy

FIns, large oil-filled liver

What kind of tail does the class Chondrichthyes has to thrust and lift

Heterocercal

What is present in male Chondrichthyes

Pelvic Claspers

The class Chondrichthyes has electroreceptors that can detect bioelectric fields produced by other organisms called

Ampullae of Lorenzini

Class Chondrichthyes has what 3 types of maternal investment

Oviparity, Ovoviviparity, Viviparity

This maternal investment only lays an egg

Oviparity

This maternal investment has egg produced encased in an egg and retained in mother’s body

Ovoviviparity

This maternal investment has an embryo that develops in the uterus

Viviparity

Intrauterine Cannibalism is called

oophagy

Skates and rays are what kind of flattened

Dorsoventrally

What do skates and rays use for water intake

Spiracles

Bony fish are also known as

Osteichthyes

The skeleton of bone in bony fishes is called

Endochondral

Ray finned fishes are also known as

Actinopterygii

The biggest group of Actinopterygii is the

Teleosts

Actinopterygii have this kind of tail that permits greater speed

Homocercal

Actinopterygii have plates containing blood vessels called

Gill filaments

How does water flow in Gill filaments

Opposite of blood flow

Lobe-finned fishes are also known as

Sarcopterygii

What is present in Sarcopterygii

Lungs, gills

Sarcopterygii lineage gave rise to

Tetrapods