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AP Biology Chapter 34 Invertebrates
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Notocord
The Longitudinal, flexible rod located between digestive tube and nerve cord.
Gives Skeletal Support
Dorsal Hollow Nerve Cord
Develops into central nervous system
Develops from ectoderm
Pharynegeal Gill Slits
Allows water to exit the mouth without going through the digestive tract
Amniotic Egg
Allow life cycle to be completed entirely on land. Self-sufficient.
Ectotherm
Organism that is cold blooded.
Endotherm
Organism that are warm blooded.
Monotremes
Mammals that lay eggs.
Marsupials
Mammals that have live young in an external pouch.
Eutherians
Mammals that have longer gestation periods with complex placentas.
Neural Tube
Embryo's undeveloped central nervous system.
Neural Crest Cells
Contribute to formation of several human structures (i.e. teeth, sense organs etc.).
Cephalization
Concentration of sensory and neural equipment in the head.
Spiral Valve
Structure in intestines of Gnathostomes to increase surface area and prolong passage of food along short digestive tract.
Oviparous
Encase eggs in protective cases and lay them outside of mom.
Viviparous
Provide nutrients through placenta (live young).
Author
Flanagan
ID
239679
Card Set
AP Biology Chapter 34 Invertebrates
Description
Vocab terms
Updated
10/9/2013, 4:58:21 AM
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