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What is a Species?

What is a Species?. What information do scientists use to define species?. Same or Different Species?. Same or Different Species?. Eastern Red-backed Salamander. Led-back phase. Red-back phase. Same or Different Species?. Same or Different Species?. Cope’s Gray Treefrog. Gray Treefrog.

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What is a Species?

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  1. What is a Species? What information do scientists use to define species?

  2. Same or Different Species? Sameor Different Species? Eastern Red-backed Salamander Led-back phase Red-back phase

  3. Same or Different Species? Same or Different Species? Cope’s Gray Treefrog Gray Treefrog

  4. What biological factor defines a species? Reproduction

  5. What is a species? • Groups of interbreeding populations that are reproductively isolated from other such groups

  6. Tiger Lion Lions and tigers are reproductively isolated from each other

  7. X Lion Tiger Hybrid = a cross between 2 species Liger

  8. How many species are there? 1.7 million known species

  9. Rank groups by abundance

  10. How many species are there? • Estimated 2-10 million • 15,000 new species/year • 600 years to classify all species

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