1º ESo Invertebrates editorial santillana, english review

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  • 1. Essential Natural Science 1 Unit 4 HOME RESOURCES ACTIVITY LINKS CONTENTS RESOURCES ACTIVITY LINKS CONTENTS CLOSEBACK
  • 2. Essential Natural Science 1 Unit 4 Contents HOME Invertebrates Porifera and Cnidaria Porifera Cnidaria Platyhelminthes Characteristics Molluscs Characteristics Classification Arthropods Characteristics Classification Orders of insects Insect mouths Metamorphosis Echinoderms Characteristics Classification HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK Annelids Characteristics Nematodes Characteristics
  • 3. Essential Natural Science 1 Unit 4 HOME Resources What are porifera like? What are cnidaria like? How are molluscs classified? What are molluscs like? What are arthropods like? How are arthropods classified? What are insect mouths like? Metamorphosis of the monarch butterfly What are echinoderms like? How are echinoderms classified? HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK What are Platyhelminthes like? LinksInteractive activity: What do you know about invertebrates? Animation: Arthropods What are Annelids like? What are Nematodes like? Orders of insects
  • 4. Essential Natural Science 1 Unit 4 What are porifera like? Sponges osculum channels atrium cavity Porifera have no organs. water + nutrients water HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK pores
  • 5. Essential Natural Science 1 Unit 4 ENLARGE IMAGE • radial symmetry • soft body • tentacles • gastrovascular cavity • carnivorous What are cnidaria like? HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 6. Essential Natural Science 1 Unit 4 What are cnidaria like? HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK • radial symmetry • soft body • tentacles • gastrovascular cavity • carnivorous CoralsGO BACK jellyfish
  • 7. Essential Natural Science 1 Unit 4 What are platyhelminthes like? Platyhelminthes (flatworms) HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK • flat bodies • divided into rings • hermaphrodites Taenia tapeworm (parasite) soft body bilateral symmetry no skeleton
  • 8. Essential Natural Science 1 Unit 4 What are nematodes like? Nematodes (roundworms) HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK soft body bilateral symmetry no skeleton Pinworm • cylindrical bodies • no segments • no respiratory system • examples: trichina worms, pinworms
  • 9. Essential Natural Science 1 Unit 4 What are annelids like? Annelids (segmented worms) Earthworm HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK • cylindrical bodies • divided into segments • some are hermaphrodites soft body bilateral symmetry no skeleton segments clitellum head body wall digestive tube setae (hairs) coelom
  • 10. Essential Natural Science 1 Unit 4 What are molluscs like? • bilateral symmetry • soft body • carnivores and herbivores • lungs (terrestrial molluscs) • gills (aquatic molluscs) • metamorphosis valves head foot HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK visceral mass
  • 11. Essential Natural Science 1 Unit 4 What are molluscs like? shell valves stomach lung eyes mouth ENLARGE IMAGE GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK visceral mass • bilateral symmetry • soft body • carnivores and herbivores • lungs (terrestrial molluscs) • gills (aquatic molluscs) • metamorphosis
  • 12. Essential Natural Science 1 Unit 4 What are molluscs like? radula HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK shell valves stomach lung eyes visceral mass mouth • bilateral symmetry • soft body • carnivores and herbivores • lungs (terrestrial molluscs) • gills (aquatic molluscs) • metamorphosis GO BACK
  • 13. Essential Natural Science 1 Unit 4 How are molluscs classified? snail slug limpet Cephalopods Bivalves octopus Gastropods HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK nautilus cuttlefish scallop mussel
  • 14. Essential Natural Science 1 Unit 4 Animation: Arthropods HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK OPENOPEN
  • 15. Essential Natural Science 1 Unit 4 • bilateral symmetry • exoskeleton • feeding habits vary • trachea (terrestrial arthropods) • gills (aquatic arthropods) • moulting and metamorphosis What are arthropods like? abdomen thorax head ENLARGE IMAGE HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK ENLARGE IMAGE Wasp
  • 16. Essential Natural Science 1 Unit 4 • bilateral symmetry • exoskeleton • feeding habits vary • trachea (terrestrial arthropods) • gills (aquatic arthropods) • moulting and metamorphosis What are arthropods like? ocellus compound eye GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK antenna wings legs mouth parts ENLARGE IMAGE
  • 17. Essential Natural Science 1 Unit 4 • bilateral symmetry • exoskeleton • feeding habits vary • trachea (terrestrial arthropods) • gills (aquatic arthropods) • moulting and metamorphosis What are arthropods like? cephalothorax chelicerae pedipalp HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK ENLARGE IMAGE abdomen Spider legs
  • 18. Essential Natural Science 1 Unit 4 Crustaceans How are arthropods classified? Myriapods Insects HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK Arachnids
  • 19. Essential Natural Science 1 Unit 4 Orders of insects Hymenoptera Dermaptera Lepidoptera Diptera Orthoptera Coleoptera Hemiptera Odonata Siphonaptera HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 20. Essential Natural Science 1 Unit 4 What are insect mouths like? Ants have mouths for chewing. Bees have mouths for chewing and sucking. Butterflies have mouths for sucking. HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK Mosquitoes have mouths for piercing and sucking.
  • 21. Essential Natural Science 1 Unit 4 Ants have mouths for chewing. What are insect mouths like? GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK Bees have mouths for chewing and sucking. Butterflies have mouths for sucking. Mosquitoes have mouths for piercing and sucking.
  • 22. Essential Natural Science 1 Unit 4 Butterflies have mouths for sucking. What are insect mouths like? GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK Ants have mouths for chewing. Bees have mouths for chewing and sucking. Mosquitoes have mouths for piercing and sucking.
  • 23. Essential Natural Science 1 Unit 4 Ants have mouths for chewing. Bees have mouths for chewing and sucking. Butterflies have mouths for sucking. Mosquitoes have mouths for piercing and sucking. What are insect mouths like? GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 24. Essential Natural Science 1 Unit 4 Ants have mouths for chewing. Bees have mouths for chewing and sucking. Butterflies have mouths for sucking. Mosquitoes have mouths for piercing and sucking. What are insect mouths like? GO BACK HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 25. Essential Natural Science 1 Unit 4 The Metamorphosis of a Monarch butterfly SANTILLANA CLICK HERE HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 26. Essential Natural Science 1 Unit 4 The metamorphosis of a Monarch butterfly SANTILLANA END HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK
  • 27. Essential Natural Science 1 Unit 4 What are echinoderms like? • radial symmetry in adults • internal skeleton of plaques • carnivores • most breathe through skin • metamorphosis HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK arms ambulacral system symmetrical planes
  • 28. Essential Natural Science 1 Unit 4 ambulacral system What are echinoderms like? • radial symmetry in adults • internal skeleton of plaques • carnivores • most breathe through skin • metamorphosis HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK arms symmetrical planes ambulacral feet
  • 29. Essential Natural Science 1 Unit 4 How are echinoderms classified? Echinoidea Ophiuroidea CrinoideaHolothuroideaStelleroidea sea urchin ophiura starfish sea cucumber HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK sea lily
  • 30. Essential Natural Science 1 Unit 4 HOME Interactive activity: What do you know about invertebrates? HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK OPENOPEN
  • 31. Essential Natural Science 1 Unit 4 Links HOME HOME RESOURCES ACTIVITY LINKSCONTENTS CLOSEBACK GO TO WEBSITE Virtual Worm Tour GO TO WEBSITE The Shape of Life