Question

select all that apply
select all the chordates that have a cranium.
lancelets
tunicates
hagfish
vertebrates

Explanation:

• Lancelets and tunicates are invertebrate chordates and do not have a cranium.
• Hagfish are craniates (they have a cranium) but are not vertebrates (they lack vertebrae).
• Vertebrates are a sub - group of craniates, so they have a cranium.

Answer:

C. hagfish, D. vertebrates