Lab Exam 3 Flashcards
(125 cards)
What Subphyla make up Phylum Chordata
Subphylum Urochordata
Subphylum Celphalocordata
Subphylum Vertebrata
What class is found in Phylum Hemichordata
Class Enteropneusta
List the 5 features of a Cordate
- Post anal tail
- Dorsal, hollow nerve cord
- Notochord
- Pharyngeal gill slits
- Endostyle or Thyroid
What is the advantage of a post anal tail
provides motility for free swimming a propulsion through the water
What is the advantage of a Dorsal, hollow nerve cord
The anterior end is enlarged and forms a brain
What is the advantage of pharyngeal gill slits
They improve efficiency of gas transfer between blood and the water outside
What is the advantage of a notochord
It provides a rigid structure for (swimming) muscle attachment
List the major subgroups of Chordates
- Craniates
- Vertebrates
- Gnathostomes (jawed fish)
- Tetrapods
- Amniotes
- Mammals
Identify this “fish” and its Subphylum
label the chordate features on the picture

Branchiostoma
(Lancelet)
Subphylum Cephalochordata

Lable these parts


What is the Genus name for this acorn worm and to what class and phylum does it belong

Phylum Hemichordata
Class Enteropneusta
Saccoglossus
What is the Genus name for this tunicate and to what subphylum and phylum does it belong

Phylum Chordata
Subphylum Urochordata
Stylela
What is the Genus name for this lancelet and to what phylum and subphylum does it belong

Phylum Chordata
Subphylum Cephalochordata
Branchiostoma
List the phylum, subphylum, superclass and class that this hagfish belongs to

Phylum Chordata
Subphylum Vertebrata
Superclass Agnatha
Class Myxini
List the phylum, subphylum, superclass and class that this lamprey belongs to

Phylum Chordata
Subphylum Vertebrata
Superclass Agnatha
Class Petromyzontida
List the Phylum, Subphylum, Superclass, and Class of this skate
What other “fish” can be found in these taxa

Phylum Chordata
Subphylum Vertebrata
Superclass Gnathostomata
Class Chondrichthyes
Sharks and Rays are also found in these taxa
List the Phylum, Subphylum, Superclass, and Class of this perch
What is its Genus name
What other “fish” can be found in these taxa

Phylum Chordata
Subphylum Vertebrata
Superclass Gnathostomata
Class Actinopterygii
Genus Perca
Bass and Sunfish are also found in these taxa
List the Phylum, Subphylum, Superclass and Class of this salamander
What other animals belong to these taxa

Phylum Chordata
Subphylum Vertebrata
Superclass Gnathostomata
Class Amphibia
Other amphibians such as frogs, toads and newts belong to these taxa






label this structure and its function

Tympanum is an eardrum that transmits vibrations








































































































