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Classification
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Biodiversity Definition: The variety of species living in an area
The _____________ biodiversity there is in an ecosystem, the ___________ that ecosystem is. more healthier
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WHY, oh WHY do we CLASSIFY??
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HOW do we Classify? Anatomy Cytology BioChemistry Embryology ?
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LATIN Language: “Hey mate want to grab a joint, share a fag and wipe up with a nappy?”
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Levels of Classification
Did King Phillip Come Over For Green Soup Domain Kingdom Phylum Class Order Family Genus Species
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How does THIS represent the Levels of Classification?
Animalia Chordata Mammalia Primate Hominidae Homo sapiens
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Kingdom Genus Species Family Phylum Order Class
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Scientific Names: Binomial Nomenclature
Cat Chat Felis domesticus or Felis domesticus γάτα Katze Gatto 猫
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Honeoye Falls-Lima ? ◦cougars ◦mountain lion ◦panther ◦puma ◦catamount
Felis concolor
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How to Write a Scientific name
Use the GENUS and SPECIES names. Genus is first, species is second. Genus is capitalized (first letter only), species is all lower case. The entire name is either underlined or italicized (when handwritten, always underline). Musca domestica Ursus horribilis Canus lupus
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What the heck is a Cladogram?
A cladogram is a tree-like diagram showing evolutionary relationships.
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Cladograms, continued…
Cladograms also show which groups are more related to each other than to other groups: Example: snakes are more closely related to birds than they are to mammals.
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Holy Cow!! Can you imagine doing all this?
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Good Regents Question from June ’05 Exam
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3 Domains: How it all works…. Archea Bacteria Eukarya Archaebacteria:
Live in extreme conditions Most primitive Prokaryotic Moneran: Prokaryotic Includes all bacteria except those that live in extreme conditions. Protista Fungi Animalia Plantae (Info on next slide) Kingdoms
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The Eukarya Domain Protista Fungi Animalia Plantae
Unicellular and colonial Both animal-like and plant-like Auto- and heterotrophic Multicelluar (EXCEPT yeast) Heterotrophic Non-motile Sessile Multicellular Motile Autotrophic
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Dichotomous Keys A tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. For each item, there are two choices…
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Example of a Key: 1.A. Has fur……………………..go to 2
1.B. No fur………………………go to 3 2.A. Has wings…………………BAT 2.B. No wings, tail……………..go to 7 3.A. Has scales…………………go to 4 3.B. No scales…………………..go to 5
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