Warm Up
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Transcript of Warm Up
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Warm Up• Define: taxonomy
• List the seven taxa (in order)
• What are the two prokaryotic kingdoms?
• Compare and contrast Fungi and Plants
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PBS: Nature
• The Importance of Biodiversity
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Modern Basis for TaxonomyBiology 11
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1) Comparative Anatomy
• Homologous structures: structures that have the same basic pattern and the same pattern of development.
• They do not necessarily have the same function• Example: human arm, whale flipper, bat
wing, horse front leg
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Forelimb example:
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1) Comparative Anatomy…• Embryonic development may also
indicate degree of unity.
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2) Biochemical similarity
• Similarity of chemical compounds such as blood composition and protein sequence.
• Example: horseshoe crab was once thought to be a “true” crab but its blood is more similar to arachnids.
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3) Genetic similarity
• How close is the DNA of different species?
• Chimpanzees and humans are ~98% similar• Test: DNA – DNA hybridization
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Interview with a Taxonomist
• Dr. Ruth Kiew
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Tropical Begonias and Beyond: A Voice for Tropical Forests
1) Why are taxonomists considered a rare breed?2) What argument does Dr. Kiew make about the
importance of taxonomy?3) Describe the Malay world (Malaysia) according to
Dr. Kiew.4) Why does Dr. Kiew devote her studies to
Begonias?5) List some reasons why we should protect tropical
plants.6) Why did Dr. Kiew teach beekeeping to
the women of Malaysia?