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25 Cards in this Set
- Front
- Back
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List largest to smallest the classes:
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(Kangaroo Picnics Consist Of Fifty Giant Sandwiches) Kingdom, Phylum, Class, Order, Family, Genus, Species
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Explain Punctuated Equilibrium
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Pattern in evolution in which long, stable periods are interrupted by brief periods of more rapid change. Example: Isolation; drop in sea level forms a lake and isolates a small number of mollusks from the rest of the population.
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What can cause rapid change?
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Severe natural disaster; meteorites, nuclear bombs, dinosaur ages, etc.
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What is variation?
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Differences within the members of a species
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Give 2 vestigial structures in the human body (an organ that is not necessarily needed or crucial in the body)
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Appendix, Wisdom Teeth, Tailbone, etc.
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Name 3 of the 5 kingdoms
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Animal, plant, fungi
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Name the 5 kingdoms
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Animal, Plant, Fungi, Bacteria, Protist
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This scientist proposed that if you lost your arm, your offspring wouldn't have an arm
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Jean Lamarck
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That theory was known as what?
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Selective use, or disuse
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What are homologous structures?
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Structures that have different mature forms (fin vs. wing) in different organisms, but develop the same embryonic tissues
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Features of different species that are similar in function, but not necessarily in structure and are not derived from a common ancestor.
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Analogous Structure
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Are homologous structures evident for convergent or divergent evolution?
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Divergent, because species become more and more dissimilar, example seals & dogs
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Example of overproduction
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Sea turtles laying eggs on the beach
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Give 4 out of Darwin's 6 points:
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Overproduction, Competition, Variation, Species
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Who influenced Darwin?
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James Hutton & Charles Lyell
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Variation in nature, where organisms reproduce with the better adapted mates.
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Natural Selection
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An organ that serves no useful function in an organism
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Vestigial Organ
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Process by which two species evolve in response to changes in each other
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Co-evolution
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Example of Co-Evolution
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If a flower is a certain shape so that only the certain bugs can pollinate from them
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Fish laying millions of eggs
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Overproduction
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Competing for limited resources
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Competition
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No two individuals are exactly alike
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Variation
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Survival of the Fittest
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Natural Selection
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A species can reproduce successfully with its own kind
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Speciation
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Allows organisms to become better suited to their enviornment
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Adaptation
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