The earth's axis of rotation wobbles like a spinning top. There are two periods (a wobble within a wobble): 19,000 AND 23,000 years. Precession has a profound effect on the earth's climate.
1. Types of venomous snakes
a. Coral Snakes
b. Sea snakes
2. General Morphology
a. Head, body, color
c. Sensory systems
d. Internal organ systems
a. Arboreal, terrestrial, aquatic
d. Prey and predators
i. Sexual selection
c. Habitat selection
d. Ecosystem Interactions
Savage, J. 2002. The Amphibians and Reptiles of Costa Rica. Chicago: University of Chicago Press.
Collins, J. and Seigel, R. 1993. Snakes: Ecology and Behavior. New York: McGraw -Hill, Inc.
Greene, H.W. 1997. Snakes: The Evolution of Mystery in Nature. Berkeley: University of California Press.
Phelps, T. 1981. Poisonous Snakes. Poole: Blandford Press.
Kricher, J. 1999. A Neotropical Companion. Princeton: Princeton University Press.
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