lab chordates

5 characteristics of a chordate

notochord

Pharyngeal pouches and slits

Dorsal hollow nerve cord

Endostyle or thyroid gland

Postanal tail

Which type of tunicate has all characteristics

Free swimming larvae

What characteristics do adult tunicata lack

Notochord abd dorsal nerve cord

What organ taken up most space in an adult tunicata

Pharynx

Which nerve cord is closer to the back

Dorsal hollow nerve cord

What organ do lancets not have

heart

How do lab keys move blood

Muscle contractions

Which nerve cord is larger

Notochord

Who has incomplete cartilaginous vertebrae along sides of notochord

Lampreys

Class perromyzontida are

is the class of lampreys

Class chondrichthyes

Is the class of cartilaginous fish

Class myxini

is the class of hagfish

What do cartilaginous lack

Bone

What type tail do cartilaginous fish have (different)

Heterocercal

What kind of scales do cartilaginous fish have

placoid

What differentiates make and female bony fish

Men have claspers

What supports the fins in ray finned fish

Multiple fin rays

How many dorsal fins do ray finned fishes have

1

How many dorsal fins on a lobe finned fish

2

What is joined to the body by a single bone on lobe finned fishes

Lobed paired fins

Phylogenetically love finned fishes also include

Tetrapods

What is a vestigial lung

A lung with no function