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9 Cards in this Set
- Front
- Back
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Jean Baptiste de Lamark |
"inheritance of acquired characteristics" Good: older species led to newer species Bad: changes an organism experienced during its life can be passed on to future generations i.e. Giraffe's stretching their necks |
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Charles Lyell |
Theory of uniformitarianism (the forces of nature shaping the Earth's Geological features) Gave Darwin the ideas that: Earth is older than 6,000 years old if Earth could change gradually, the organisms that lived there could too |
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Mathus and Wallace |
-Mathus wrote an article that led Darwin to believe That selection in nature is driven by a struggle of existence because of overpopulation -Wallace wrote a manuscript that summarized natural selection and him and Darwin published their work together |
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Notochord |
Flexible rod for muscle attachment and support for the body. |
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Dorsal Nerve Cord |
Anterior becomes brain, it's function is to carry messages from the brain to the rest of the body |
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Pharyngeal Gill Slits |
Filter feeding apparatus, water goes in the mouth and out of slits leaving food on mucous in pharyngeal pouch |
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Endostyle |
Secretes mucous to trap food particles brought in by the pharyngeal slits |
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Post-anal Tail |
W/ muscle segments call myotomes it's function is specifically locomotion |
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Pharygeal Pumping |
the method of getting food that replaced ciliary beating |
