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Phylum Chordata You are in the kingdom Animal and phyla chordata, but what is the class, order, family, genus, species of homo sapiens? Let’s learn together…..
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Characteristics of Chordates ► Notochord ► Dorsal nerve cord ► Pharyngeal pouches or gill slits ► Postanal tail
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► Subphylum Cephalocharodata- This subphylum is composed of about 2 dozen blade-shaped animals known as lancelets. They retain all characteristic throughout life. ► Subphylum Urochordata- This subphylum is commonly known as tunicates ( sea squirts). Larva posses all chordate characteristics while adults exhibit only Pharyngeal pouches.
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► Subphylum Cephalocharodata- ► How to say Cephalocharodata ► Pronounce Pronounce ► Subphylum Urochordata- This subphylum is commonly known as tunicates ( sea squirts). Larva posses all chordate characteristics while adults exhibit only Pharyngeal pouches. ► Tunicates contractile behavior ► tunicates contractile behavior tunicates contractile behavior ► https://www.youtube.com/watch ?v=GUR3sQR9nUY https://www.youtube.com/watch ?v=GUR3sQR9nUY ► Fun facts about tunicates ► https://www.youtube.com/watch ?v=2wJP_iB1hyc https://www.youtube.com/watch ?v=2wJP_iB1hyc
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Subphylum Vertebrata ► All characteristics of chordates ► Distinguishing characteristics Vertebral column or spine Cranium or skull that protects the brain Endoskeleton composed of bone or cartilage
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Major Classes of Vertebrates ► Cold Blooded ► Jawless fish ► Jaw fish but no boney skeleton ► Fish Monday HW Page 350-354 SGR ► Amphibians Tuesday page 356-359 ► Reptiles Tuesday page 363-367 ► Warm Blooded ► Aves or birds Wednesday page 371-377 ► Mammals Thursday page 385
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Lampreys and Hagfishes ► Long, eel-like bodies ► Lack jaws ► Paired fins ► Bones ► River Monsters ► The Lamprey ► https://www.youtube.com/watc h?v=haUNa9gzymk https://www.youtube.com/watc h?v=haUNa9gzymk https://www.youtube.com/watc h?v=haUNa9gzymk No one wants to eat the Hagfishes Watch just a few rejections then move on to Lamprey. Hagfish https://www.youtube.com/watch?v=F8aVgSIDJjM&l ist=PLprzjT-zT8W2__3cJ1VXWDRumhJjXr865 Lamprey Control https://www.youtube.com/watch?v=9JQ6oHjpeqU Notebook chordata Section List 2 ways to control Lamprey Populations? List 5 interesting facts about the Lamprey https://www.youtube.com/watch?v=AzZa o6SVMyc
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Sharks, Skates and Rays ► Just for your viewing pleasure evolved to have jaws but no boney skeleton ► https://www.youtube.c om/watch?v=89NXzU5i Kqg ► Class Chondrichthyes Jaws Paired fins Skeleton of cartilage
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2/8 Monday Boney Fishes ► Class Osteichthyes Jaws Most have a skeleton composed of bone ► Life Science Book Page 350-354 ► Transparency 27 Cold Blood Vertebrates Bony Fish ► Transparency 31 Mating Behavior of StickleBack Fish
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2/9 Amphibians Bill Nye Amphibians https://www.youtube.com/watch?v=Yn syjdJqhfI Amphibian Song https://www.youtube.com/watch?v=ti0 HDtRY8u4 https://www.youtube.com/watch?v=ti0 HDtRY8u4 What is Happening to Me The Tadpole Blues https://www.youtube.com/watch?v=Ag M20r6WnHI https://www.youtube.com/watch?v=Ag M20r6WnHI Declining Amphibian Populations https://www.youtube.com/watch?v=lez 4fjzUsY8 https://www.youtube.com/watch?v=lez 4fjzUsY8 ► Class Amphibia Included frogs, toads and salamanders Skin is moist and permeable to gases and water Most lay eggs in water Most have an aquatic larval stage
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2/9 Reptiles ► Make me Genius Reptiles ► https://www.youtube.c om/watch?v=zssgp6J_ P3c https://www.youtube.c om/watch?v=zssgp6J_ P3c https://www.youtube.c om/watch?v=zssgp6J_ P3c ► Class Reptilia Turtles, crocodiles, alligators, lizards and snakes Skin is dry and scaly Eggs that can be laid on land
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2/10 Birds ► Class Aves Adapted for flight ► Feathers ► Hollow bones ► Unique respiratory system How did dinosaurs evolve into birds? https://www.youtube.co m/watch?v=0- 7iXyYS0uw A second take Evolution of Birds from Dinosaurs https://www.youtube.co m/watch?v=duZ2XdlttzM
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2/11 Mammals ► Characteristics Endothermy Hair 4 chamber heart Milk from mammary gland Single jawbone Specialized teeth Mammals https://www.youtube.com/watch?v=cU4Bo_rF_R0 Kid Rhyme Mammal Facts https://www.youtube.com/watch?v=zxthrUhcKj8
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2/11 Order Monotremata ► Egg-laying mammals ► Most primitive of mammals ► Only three species Two anteaters and one platypus Egg Laying Mammals https://www.youtube.com/watch?v=NGuIezLFid Y https://www.youtube.com/watch?v=NGuIezLFid Y https://www.youtube.com/watch?v=NGuIezLFid Y
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Order Marsupialia ► 250 species ► The U.S. has only one species – the Virginia opossum ► Young develop in a pouch
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Placental Mammals ► Diverse group composed of at least 18 orders ► 95% of mammals are placental ► They live on land, in water and the air
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2/12 Alternative Assessment Poster Due for Animal Kingdom 2/12 Traditional Assessment Animal Kingdom
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