Phylum Chordata Flashcards
method of locomotion in Tunicates
sessile in adult form, free-swimming in larval form
What specimen is this?
Lamprey
What class do mammals belong to?
Mammalia
body cavity of Tunicates
none
What specimen is this?
Mammal
nervous system of Lamprey
primitive (brain, spinal cord)
level of organization in Chordata
organ system
digestive system of Lamprey
simple: esophagus, intestine (no true stomach)
What subphylum does Squalus belong to?
Vertebrata
What class do Amphibians belong to?
Amphibia
What subphylum do birds belong to?
Vertebrata
What class does Tunicate belong to?
Ascidiacea
Distinguishing characteristics of super class Agnatha
- jawless fishes
- have unhinged, circular mouths
- are parasitic (Lampreys) or scavenger (Hagfish)
skeletal system of Tunicates
spicules
digestive system of Tunicates
pharynx, endostyle
nervous system of Tunicates
neural tube
What specimen is this?
Tunicate
What subphylum is the Boney Fish a part of?
Vertebrata
skeletal system of Lamprey
cartilage skeleton
What subphylum does the Reptile belong to?
Vertebrata
What specimen is this?
Bird