Hello! Welcome to Mr. D’s Virtual Dissection Lab. While you may not be able to participate in the...

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Virtual Squid Dissection

Transcript of Hello! Welcome to Mr. D’s Virtual Dissection Lab. While you may not be able to participate in the...

  • Slide 1
  • Slide 2
  • Hello! Welcome to Mr. Ds Virtual Dissection Lab. While you may not be able to participate in the lab, I hope you will find this quick exploration into the world of one of the coolest cephalopods fun!!
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  • Please watch the following video. It will give you a glimpse into the world of the Squid http://youtu.be/Nn-BkBcbqhA
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  • The Squid is an invertebrate (animal without a backbone) that swims in the oceans. This mollusk is closely related to the octopus. Squid can change the color of their skin to mimic their environment and hide from predators. Squid are soft-bodied cephalopods. They move by squirting water from the mantle through the siphon, using a type of jet propulsion. When in danger, squid squirt a cloud of dark ink in order to confuse their attacker and allow the squid to escape. Squid reproduce by releasing eggs into the water. Some squid eggs are free- floating, others are attached to seaweed or to the ocean floor.cephalopods
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  • Anatomy: Squid range from 1 to 60 ft (0.3 to 18 m) long. The biggest squid is the Giant Squid (Architeuthis). Squid have a large mantle/head (with a large brain), eight arms with suckers, two longer feeding tentacles, a beak, a large head, two large eyes, and two hearts. Their large eyes are very similar in structure to people's eyes. They breathe using gills.Giant Squid (Architeuthis) Diet: Squid eat fish, crustaceans (like shrimp), and other squid. These fast-moving carnivores (meat-eaters) catch prey with their two feeding tentacles, then hold the prey with the eight arms and bite it into small pieces using a parrot-like beak. The esophagus runs through the brain, so the food must be in small pieces before swallowing.shrimp Predators: Many animals prey upon squid, including many sharks and other fish, some whales, squid, and people.sharksfishwhales Classification: Kingdom Animalia, Phylum Mollusca, Class Cephalopoda, Order Teuthoidea, Families Loliginidae, Sepiolidae, and Architeuthidae.
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  • Fins Eye Head Tentacles Mantle Siphon Beak & Mouth Clubs Arms First read the descriptions below Thenclick and check your answers
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  • Now you can watch a squid dissection. Just follow along with the instructor and check the boxes as she proceeds through the external and internal dissection. Answer the Analysis questions and complete pgs 3 & 4 as best you can. Make sure you write your name on the handout. http://youtu.be/OueQ9kU36i0 Good Luck!!
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  • Ok now you are done. Now sit back and watch Giant Squid (Architeuthis) footage, January 27, 2013 This is longest video of a Giant Squid in its natural habitat. http://youtu.be/jCWop491Q9Y