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2/20. Get out Invertebrates notes (green sheet) Pick up papers from the back. Staple the new green sheet to your green sheet Grab goggles Do not touch equipment until given permission to do so. Test corrections today: after school Invertebrate Quiz moved to Tuesday 2/25. Earthworm .
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2/20 • Get out Invertebrates notes (green sheet) • Pick up papers from the back. Staple the new green sheet to your green sheet • Grab goggles • Do not touch equipment until given permission to do so. • Test corrections today: after school • Invertebrate Quiz moved to Tuesday 2/25
Earthworm • Omit question 5 • Dorsal (top side) is darker than ventral (bottom side)
Arthropods http://player.discoveryeducation.com/index.cfm?guidAssetId=7579c00f-76da-4763-bce3-c4b4c6a2fe40
Description: Jointed Appendages Exoskeleton Segmented Body
Examples: Shrimp Crabs Lobster Crayfish
Examples: Scorpions Spiders
Digestion: Specialized organs Elaborate mouthparts
Respiration: Spiders: Book lungs Insects:Tracheal tubes Aquatic: Gills
Circulation: Open Circulatory
2/21 • Reminder: Invertebrate Quiz Tuesday DLA Quiz Wednesday • Take out green notes • Pick up papers from the back. • Grab a textbook. Use page 721 of the textbook and the info below to label the Anatomy of a Crayfish. • 4. Maxilliped --11. Rostrum • 8. Uropod --12. Eyes
Homework Modification • On the back of the Simple Animal Vocabulary write these down for the answers to these questions: • 24. dorsal • 25. anterior • 26. ventral • 27. posterior
Excretion: land—Malpighian tubules aquatic--diffusion
Nervous System: Brain and ventral nerve cord
Skeletal / Muscular: Exoskeleton and Muscles Many legs
Protection: Fangs and venom http://player.discoveryeducation.com/index.cfm?guidAssetId=D5A175FF-921B-4446-A6C6-67C2BCD3A233&blnFromSearch=1&productcode=US
Notes: molt to grow insects—pollinators and detritivores
Notes: Crustaceans-- human food source
Description: Spiny Skin http://player.discoveryeducation.com/index.cfm?guidAssetId=872bb1ad-2321-46ff-8104-3ed159b3b110
Examples: Sand Dollar Starfish Sea Cucumber Sea Urchin
Digestion: external and internal digestion Anus Stomach Mouth
Respiration: WaterVascular System Circulatory:
Excretion: excrete ammonia into water (tube feet)
Nervous: Nerve ring and radial nerves
Reproduction: Sexual; External Fertilization A starfish ejecting eggs or sperm.
Skeletal / Muscular: Endoskeleton and Water Vascular System (tube feet)
Protection: spiny skin shedding of arms evisceration
Notes: Regenerate All marine (only found in salt water) http://player.discoveryeducation.com/index.cfm?guidAssetId=c12056e3-2bb1-4d3d-b5f9-abaaea7b8290
Sunflower Starfish http://player.discoveryeducation.com/index.cfm?guidAssetId=71915d78-d34c-4263-a886-41684d63e1d7
2/20 • Grab Goggles • Get out labeling sheet • Put all books and binders by overhead • Reminder: Quiz Friday and HW- Simple Animal Vocabulary due tomorrow!