1. Entomology 101 The Living Realm Where Insects & Humans Fit David J. Shetlar, Ph.D. The “BugDoc” The Ohio State University, OARDC & OSU Extension Columbus, OH © Sept, 2009, D.J. Shetlar, all rights reserved

2. Biological Classification Non-Cellular Life Virus, Viroids, & Prions Cellular Life (broken into domains) Bacteria (prokaryotes – no nuclei) Archaea (prokaryotes of extremes) Eukarya (eukaryotes – with nuclei)

3. Virus Replication 1.Attaches to living cell 2.Penetrates cell or injects genome. 3.Replicates using cellular organelles. 4.Assembles new viral bodies. 5.Lysis – released from cell, thereby killing it!

4. Prokaryote Cell

5. Eukaryote Cells Plant CellAnimal Cell

7. Biological Classification Eukarya Kingdoms Excavata – unicellular w/flagella Rhizaria – unicellular amoeboids Chromalveolata – algae & diatoms Plantae – true plants Amoebozoa – true amoeboids Fungi – molds and fungi Animalia – true animals

9. Animal Phyla

11. Diploblastic Animal

12. Triploblastic Body Types

13. Protostomes vs Deuterostomes

15. Phylum Porifera – Sponges (5,000 species including fresh water)

16. Phylum Cnidaria – Corals, Anemones, Jellyfish (9,000 species including fresh water)

17. Phylum Platyhelmenthes – Flatworms, Flukes, & Tapeworms (10,000 species, mainly parasitic)

19. Phylum Nematoda – Roundworms (>15,000 species, all trophic areas)

20. Protostomes vs Deuterostomes

21. Phylum Annelida – Segmented Worms (9,000 species, all trophic areas)

22. Phylum Mollusca – Snails/Slugs, Clams, Cephalopods (50,000 species, aquatic and terrestrial)

23. Phylum Arthropoda – Arachnids, Crustaceans, Myriapods Insects (950,000 species, aquatic and terrestrial)

24. Phylum Echinodermata – Starfish, Sea Urchins, Sea Cucumbers (7,000 species, all marine)

25. Phylum Chordata – Urocordata, Cephalocordata, Vertebrata (70,000 species)