LAB - Protochordates and Agnathans Flashcards
What phylum and subphylum are amphioxus from?
Phylum Chordata
Subphylum Cephalochordata
4 chordate features:
- notochord
- dorsal hollow nerve tube
- pharyngeal gill slits
- post-anal tail
Identify
Buccal cirri
Identify
Post-anal tail
Identify
Myomeres
Identify
Oral hood
Identify.
Caudal tail
Identify.
Anus
Identify.
Pharynx
Identify.
Wheel organ
Identify.
Notochord
Identify.
Dorsal, hollow nerve cord
Identify.
Pharyngeal slits
Identify.
Atriopore
Identify.
Esophagus
Identify.
Hindgut
Identify “I” - make sure correct
Pharynx
Identify “C”
Notochord
Identify “D”
Myomeres
Identify “B”
Dorsal, hollow nerve cord
Identify “F”
Endostyle
Identify “E”
Epibranchial groove (under notochord)
Identify.
Atrium
What is the domain, kingdom, phylum, and subphylum for lamprey?
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Identify.
Oral hood
Identify.
Oral tentacles
Identify
A. Gill slits
B. Gill filaments
Identify.
Esophagus
Identify.
Intestine
Identify.
Anus
Identify.
A. Caudal tail
B. Post-anal tail
Identify.
Dorsal, hollow nerve chord
Identify.
Notochord
The phenotype of an amnocoete larva resembles an __________.
amphioxus
Identify A, B, C
A. Buccal Funnel
B. Eye
C. External gill slits (7)
Identify. (A, B) - Identify outer rim
A. Teeth
B. Tongue
C. Outer rim - Papillae
Identify A & B.
A. Nasohypophyseal duct
B. Pineal gland
What are lateral lines and what do they do?
bundles of sensory cells and canals w/in skin that helps aquatic vertebrates sense vibrations and movement in the water
Identify A & B.
A. Dorsal fins
B. Caudal fins
Identify A-G
A. Myomeres
B. Nerve Cord
C. Notochord
D. Internal gill slits
E. Heart
F. Liver
G. Intestines
Identify A-C.
A. Teeth
B. Brain
C. Pineal gland (behind nasal sac)
Identify bottom arrow
Gonads - reproductive system
