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L71-07 Animal Evolution HANDOUT-6

L71-07 Animal Evolution HANDOUT-6 - 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 Lecture 71: Animal Diversity and Evolution Plants Fungi Animals The Eukaryotes 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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2 Cnidaria 10,000 spp Bryozoa 4,500 spp Urochordata 3,000 spp Platyhelminthes 20,000 spp Nematoda 90,000+ spp Annelida 20,000 spp
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3 Rotifera 1,800 spp Arthropoda > 1 million spp Mollusca 93,000 spp 7,000 spp Echinodermata Vertebrata 52,000 spp “Constraints of Life” 1.
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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, Ar th ro, es Ar th

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