L71-07 Animal Evolution HANDOUT-6

L71-07 Animal Evolution HANDOUT-6 - 1 Terms to know and...

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Unformatted text preview: 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 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 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. Acquiring energy and nutrients [=prey]...
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This note was uploaded on 05/18/2008 for the course BIO G 104 taught by Professor Chen,k.c during the Spring '06 term at Cornell University (Engineering School).

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L71-07 Animal Evolution HANDOUT-6 - 1 Terms to know and...

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