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L71-07 Animal Evolution HANDOUT-2

L71-07 Animal Evolution HANDOUT-2 - Terms to know and...

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1 Terms to know and understand from Lecture 70: Zygomycota Zygosproragium Ascomycota Ascospore Ascus Ascocarp Conidiophore Conidiospore Basidiomycota Basidiospore Basidium Basidiocarp Chytrid Glomeromycota Arbuscular mycorrhiza Deuteromycota Lichen Saprobe Hypha [pl. hyphae] Mycelium Chitin Coenocytic [=syncytial] Heterotrophic Exozyme Heterokaryotic Dikaryotic Plasmogamy Karyogamy 1, 2, 3 Synapomorphies for the Fungi 1. Chitin in cell wall 2. Exozymic digestion 3. Heterokaryotic 4. Loss of flagella 5. Zygosporangium 6. Arbuscules 7. Ascocarp 8. Basidiocarp 4 4 4 5 6 7 8 Deuteromycota Lichens Cyanobacteria or Green algae
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2 Lecture 71: Animal Diversity and Evolution Plants Fungi Animals The Eukaryotes
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3 The major animal groups: Common name Taxon # species 1. Sponges – Porifera 6,000 2. Cnidarians – Cnidaria 10,000 3. Flat worms – Platyhelminthes 20,000 4. Roundworms – Nematoda 90,000 5. Segmented worms – Annelida 20,000 6. Molluscs – Mollusca 93,000 7. Arthropods – Arthropoda >1 million 8. Rotifers – Rotifera 1,800 9. Bryozoans – Bryozoa 4,500 10. Tunicates – Urochordata 3,000 11. Vertebrates – Vertebrata 52,000 12. Echinoderms - Echinodermata 7,000 + more than 20 ‘minor’ phyla Chordata Porifera 6,000 spp
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4 Cnidaria 10,000 spp Bryozoa 4,500 spp
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5 Urochordata 3,000 spp Platyhelminthes 20,000 spp
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6 Nematoda 90,000+ spp Annelida 20,000 spp
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7 Rotifera 1,800 spp Arthropoda > 1 million spp
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8 Mollusca 93,000 spp 7,000 spp Echinodermata
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9 Vertebrata 52,000 spp
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  • Spring '06
  • CHEN,K.C
  • Evolution, Trigraph, TH RO PO, Porifera Cnidaria Platyhelminthes Nematoda Annelida Mollusca Arthropoda Rotifera Bryozoa Urochordata Vertebrata Echinodermata, es Ar th, Heterotrophic Exozyme Heterokaryotic Dikaryotic Plasmogamy Karyogamy Zygomycota Zygosproragium Ascomycota Ascospore Ascus Ascocarp Conidiophore Conidiospore Basidiomycota Basidiospore Basidium Basidiocarp Chytrid Glomeromycota Arbuscular mycorrhiza Deuter

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