urochordata - tunicata

Created by aimeed05

characteristics of chordata
- dorsal nerve chord - postanal tail - endostyle - notochord - pharyngeal slits/pouches

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TermDefinition
characteristics of chordata
- dorsal nerve chord - postanal tail - endostyle - notochord - pharyngeal slits/pouches
characteristics of tunicata
- adults have cellulose containing tunic - sessile filter feeders - squirt water when touched - larvae have all 5 chordate characteristics - adults lost 3/5 (notochord, dorsal nerve chord & postanal tail)
tunicata body structure
definition image
functions of incurrent/branchial siphon, excurrent/atrial siphon & pharyngeal slits
feeding. excurrent siphon is defensive squirting behaviour also.
tunicate reproduction
mostly hermaphroditic. designed to reject own eggs or sperm to stop self fertilization. gonads between heart & stomach