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Biology Lecture ch 33 Vocab
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Pentaradial symmetry
symmetry in 5 or multiples of five
changed from the bilateral symmetry larva
water vascular system
a unique feature of the echinoderms
a network of water-filled canals leading to extensions (tube feet)
madreporite -> ring canal -> radial canal -> tube feet
Tube feet
extensions used for locomotion, gas exchange, and feeding
notochord
most distinct chordates
composed of a core of large cells with fluid filled vacuoles making it rigid and flexible
Vertebrates
have jointed vertebral column
vertebral column
in the dorsal cavity
replaces the notochord during early development
tetrapods
the four legged vertebrates
amphibians
the adaptation of water bound animals to terrestrial animals
must stay in moist environments to stay alive
culture
the knowledge and traditions that are passed along from one generation to the next by teaching and observation
Author
kickenbugg
ID
69626
Card Set
Biology Lecture ch 33 Vocab
Description
Ch 33 "Deuterostome Snimals"
Updated
2011-02-28T21:30:10Z
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