Chordates

Urochordates are 

• invertebrate chordates
• chordates
• vertebrates

All chordates are vertebrates.

• True
• False

Fish-like marine animals usually found half buried in sand

• Respiration
• Lancelets
• Excretion
• Tunicates

Tags

NGSS.MS-LS2-3

An organism that has a dorsal, hollow nerve chord during some stage of its life is in the

• Phylum Chordata
• Kingdom Mammalia
• Phylum Porifera
• Domain Archae

Tags

NGSS.MS-LS4-2

Tunicates or sea squirts are members of the chordate subphylum

• Pterobranchia
• Urochordata
• Cephalochordata
• Hemichordata

On which side of the body is the Hollow Nerve chord located?

• Ventral

• Anterior

• Posterior

• Dorsal

Which structures do all chordates have at some point during their life time?

• Notochord, Hollow Nerve chord, Pharyngeal slits, Tail

• Notochord, Gill slits, Tail

• Hollow nerve chord, notochord, legs, wings

• Pharyngeal slits, Head, Thorax, Tail

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

All Vertebrates have a skeleton made of bone

• True

• False

Tags

NGSS.MS-LS4-2

what special about Agnathans

• they have a spine and no stomach

• they have no spine and a stomach

• they have a spine and a stomach

• they have no spine and no stomach

Lampreys and hagfish are

• Jawless fish
• Cartilaginous fish
• Bony fish