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Laboratory 25- The Chordates
1. Describe characteristics for deuterostomes.
2. List phyla with deuterostomes.
3. List the subphyla of chordates and give an example of each.
4. Describe the general characteristics of echinoderms.
5. List and describe the four chordate characteristics.
Structure
Function
notochord
dorsal nerve cord
ventral fin
gill slits
mouth/oral hood
vestibule
atripore
Pharynx
10. Why is it important to study the lancelet?
11. Why isn't a lancelet considered to be a vertebrate?

11. Identify parts and give function (if possible) for the following structures of the frog.
External Anatomy
Organ System Function description
nictitating membrane
typamum
external nares
paired appendages
Internal Anatomy
Mouth
maxillary teeth
Vomerine teeth
glottis
trachea
Eustachian tube
Respiratory System
glottis to trachea
lungs
Liver
Circulatory System
Pericardium
heart
atria
ventricles
sinus venosus
Digestive Tract
esophagus
stomach
small intestines
large intestines
cloaca

Urogenital
Organ System
kidney
bladder
mesonephric duct
male (testis)
vas efferentia
fat bodies
female (ovaries)
oviducts
cloaca

Identify the parts of the chordate?

IDENTIFY THESE BODY PARTS OF THE FROG? Put structure under its images

Identify all you can recognize. I know that some are hard to see.

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