Chaetognatha (Arrow Worms)
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A 3 page morphological and ecological description of arrow worms. These organisms have evolved to have several advantages in their chosen habitats. They are important not just as predators but as a food source for higher organisms and as host species for various parasites. Bibliography lists 4 sources.
Filename: PPwormsA.rtf

Chameleons: Phylogeny, Taxonomy, and Ecology
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A 5 page overview of the group of animals we know as chameleons. The author provides a specific phylogenetic classification of these animals from Kingdom to Species, noting the similarities in evolutionary pattern with other vertebrates and distinguishing the chameleon from other lizards on the basis of key taxonomic criteria. A discussion of the ecology of the group as a whole is presented as is a brief notation on the endangered status of one specific example of this group, Chamaeleo belalandaensis. A detailed explanation of how and why the chameleon changes color is included as well. Bibliography lists 4 sources.
Filename: PPchamel.rtf

Chapter 14 of Origins of Species by Darwin
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A 3 page paper which summarizes chapter 14 of Charles Darwin’s “Origin of Species.” No additional sources cited.
Filename: RAdrwn14.rtf

Charles Darwin’s “The Origins of Species”
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A 2 1/2 page paper which examines Charles Darwin’s “The Origins of Species.” Bibliography lists 3 sources.
Filename: RAdarwn.rtf

Chytridiomycosis Causes Amphibian Mortality
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A 5 page paper that discusses the causes of the dramatic decrease in the numbers of amphibians in Australia and Central America. The essay describes a study conducted by a group of scientists who not only found the cause of the declining population but who discovered a new fungus. Bibliography lists 1 source.
Filename: PGfrogsdie.rtf