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MSU ISB 202 - Dan's Lecture

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Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Slide 21Slide 22Slide 23Slide 24Slide 25Slide 26Slide 27Slide 28Slide 29Slide 30Lecture 11:Lecture 11:Why are arthropods successful?Why are arthropods successful?Goals:Goals:Assignment:Assignment:Read: Chapter 22 or 23 or 11 depending on the bookRead: Chapter 22 or 23 or 11 depending on the bookWebsites:http://entowww.tamu.edu/images/insects/fieldguide/glossary.htmhttp://www.ento.vt.edu/Courses/Undergraduate/IHS/oncampus/html_files/howknow.html http://www.hollowtop.com/finl_html/finl.html http://www.ag.ohio-state.edu/~ohioline/hyg-fact/2000/2160.html http://www.antcolony.org/Army_ants.htm http://www-micro.msb.le.ac.uk/224/Parasitol.html http://www.uky.edu/Agriculture/Entomology/ythfacts/bugfood/bugfood.htm http://www.aloha.net/~smgon/triloclass.htm http://www.ucmp.berkeley.edu/diapsids/dinosaur.html http://www3.sk.sympatico.ca/robss/overview_htm.html http://www.belmont.edu/Science/Biology/Bio112/Arthropoda.html http://scarab.msu.montana.edu/academic/204classif.html http://www.earthlife.net/insects/anatomy.html http://www.earthlife.net/insects/six01.html http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/mi/toc.htm http://www.biophotos.com/whitten/specimens.htmlWebsites:http://entowww.tamu.edu/images/insects/fieldguide/glossary.htmhttp://www.ento.vt.edu/Courses/Undergraduate/IHS/oncampus/html_files/howknow.html http://www.hollowtop.com/finl_html/finl.html http://www.ag.ohio-state.edu/~ohioline/hyg-fact/2000/2160.html http://www.antcolony.org/Army_ants.htm http://www-micro.msb.le.ac.uk/224/Parasitol.html http://www.uky.edu/Agriculture/Entomology/ythfacts/bugfood/bugfood.htm http://www.aloha.net/~smgon/triloclass.htm http://www.ucmp.berkeley.edu/diapsids/dinosaur.html http://www3.sk.sympatico.ca/robss/overview_htm.html http://www.belmont.edu/Science/Biology/Bio112/Arthropoda.html http://scarab.msu.montana.edu/academic/204classif.html http://www.earthlife.net/insects/anatomy.html http://www.earthlife.net/insects/six01.html http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/mi/toc.htm http://www.biophotos.com/whitten/specimens.html1. Define success1. Define success2. Compare insects to other living organisms, understand what insect adaptations have contributed to their success2. Compare insects to other living organisms, understand what insect adaptations have contributed to their success3. Relate methods of attaining success to the human race3. Relate methods of attaining success to the human raceBiological Classification Kingdom, Phylum, Class, Order, Family, Genus, Species Biological Classification Kingdom, Phylum, Class, Order, Family, Genus, SpeciesBinomial NomenclatureLeptinotarsa decemlineataLook this up for Humans and know it!Look this up for Humans and know it!Phylum ArthropodaPhylum Arthropoda6. Bilateral symmetry6. Bilateral symmetry5. Open circulatory system 5. Open circulatory system 2. Segmented body2. Segmented body3. Jointed appendages 3. Jointed appendages 7. Sexual Reproduction7. Sexual Reproduction1. Exoskeleton1. Exoskeleton4. Double ventral nerve cord4. Double ventral nerve cordCrustacea Sow Bug, Lobster (26,000) Aquatic, Land .2mm-200cm Crustacea Sow Bug, Lobster (26,000) Aquatic, Land .2mm-200cm Class Common Name Environment SizeClass Common Name Environment SizeMerostomata Horseshoe Crab (5) Aquatic 3-60mmMerostomata Horseshoe Crab (5) Aquatic 3-60mmPycnogonida Sea Spider (500) Aquatic Marine 05 -70cm Pycnogonida Sea Spider (500) Aquatic Marine 05 -70cm Pauropoda None (380) Soil and Leaf Mold 5-20mmPauropoda None (380) Soil and Leaf Mold 5-20mmSymphyla None (120) Soil and Leaf Mold 2-10mmSymphyla None (120) Soil and Leaf Mold 2-10mmInsecta Insects (1,000,000) Aquatic, Land, Air .1mm-25cmInsecta Insects (1,000,000) Aquatic, Land, Air .1mm-25cmDiplopoda Millipede (8000) Terrestrial .1-100cmDiplopoda Millipede (8000) Terrestrial .1-100cmChilopoda Centipede (3,000) Terrestrial .1-100cmChilopoda Centipede (3,000) Terrestrial .1-100cmClasses of ArthropodaClasses of ArthropodaClass InsectaClass Insecta6. Unique biology6. Unique biology1. Three Body Regions1. Three Body Regions2. Three pairs of legs2. Three pairs of legs3. Most groups have functional wings3. Most groups have functional wings4. One pair of antennae4. One pair of antennae5. Tracheae respiratory system5. Tracheae respiratory systemCriteria for measuring successCriteria for measuring success2. Current diversity2. Current diversity1. Historically successful1. Historically successful3. Environmental impact3. Environmental impactHistorically SuccessfulHistorically Successful1. Trilobites – 600x106 ago, fossils = hard exoskeleton1. Trilobites – 600x106 ago, fossils = hard exoskeletonHistorically SuccessfulHistorically Successful2. Dinosaurs – 230x106 ago, first terrestrial eggDied out 65 x 106 years ago2. Dinosaurs – 230x106 ago, first terrestrial eggDied out 65 x 106 years agoHistorically SuccessfulHistorically Successful3. Brachiopods - hard shells, diverse forms, Been around 545 x 106 years 3. Brachiopods - hard shells, diverse forms, Been around 545 x 106 yearsHistorically SuccessfulHistorically Successful3. Insects - 3. Insects - · Oldest fossils 400 x 106 years old· Oldest fossils 400 x 106 years old· These fossils are already well developed· These fossils are already well developed· Hard to find good insect fossils· Hard to find good insect fossils0100000200000300000400000500000600000700000800000insectsplantsnon-insect arthropodsmulluscsfungiProtozoaalgaemammalsNumber of described speciesNumber of described speciesOnly4,000!Tale of the TapeTale of the TapeCurrent DiversityCurrent DiversityEnvironmental ImpactEnvironmental ImpactInsects have important human impacts as well:Insects have important human impacts as well:• Transmit disease to us, our crops and our domesticated animals• Feed on the same things we like to eat• $$: Pollination, silk, dyes, FOOD!• Transmit disease to us, our crops and our domesticated animals• Feed on the same things we like to eat• $$: Pollination, silk, dyes,


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