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BIOL 3300 Vertebrate Zoology: Ectotherms - Herpetology

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Presentation on theme: "BIOL 3300 Vertebrate Zoology: Ectotherms - Herpetology"— Presentation transcript:

1 BIOL 3300 Vertebrate Zoology: Ectotherms - Herpetology http://www.amphibian.com.au/

2 Open with Prayer Take attendance Course Page (in ADDITION to Canvas) – http://people.nnu.edu/jocossel/BIOL3300/ http://people.nnu.edu/jocossel/BIOL3300/ Syllabus – Calendar Grade permission forms Nuts and Bolts …

3 What is a “herp”? “These foul and loathsome animals… are abhorrent because their cold body, pale color, cartilaginous skeleton, filthy skin, fierce aspect, calculating eye, offensive smell, harsh voice, squalid habitation, and terrible venom; and so their Creator has not exerted His power to make many of them.” Carl von Linne. 1758. Systema Naturae

4 Linneaus was wrong about herpetofauna in more ways than one… How? – 1) – 2) – 3) What is a “herp”? http://www.calacademy.org/science_now/wild _lives/poison-dart_frogs.php

5 Herpetofauna have important roles in history and culture… ∆ Come up with a fairy tale, myth, cultural function for a “herp” of your choice… Herpetofauna have important roles in modern science Why are “herps” important?

6 _____ is perhaps most distinguishing feature… Is it “primitive”, plesiomorphic or ancestral? Attributes: Who are they?

7 ~____ species Occur in diverse habitats Complex life histories Attributes: Who are they?

8 (>______ species) Occur in diverse habitats Complex life histories Various body forms Attributes: Who are they? © A. Reitsma, Aquarium of the Pacific

9 (~___ species) Tropical distribution Fossorial - secretive Attributes: Who are they?

10 Figure 1.2 A sampling of adult body forms in living amphibians.

11 ___ is a key feature again, but a snynapomorphy compared to Lissamphibia Attributes: Who are they?

12 ~____ species Distinct “morphs” Limited diversity Attributes: Who are they? Encarta Website

13 ~___ species Nearly all are endangered Diversity of size, not morphology More closely related to ? than other “reptiles” Attributes: Who are they? http://www.dinara.gub.uy

14 ___ species All are endangered Very limited distribution Very slow growing (comparable to humans) Attributes: Who are they? arthursclipart.org

15 ~ _______ species All lizards… but two suborders! __________ evolved numerous times Diversity of habitats, size, and to some degree morphology Attributes: Who are they? http://barbadosfreepress.wordpress.com

16 Figure 1.3 A sampling of adult body forms in living reptiles.

17 Which do you prefer? – Blame Linneaus! Plesiomorphies! If so diverse… why grouped?


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