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…..

Characteristics of Chordates ► Notochord ► Dorsal nerve cord ► Pharyngeal pouches or gill slits ► Postanal tail

► 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.

► 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 ► ?v=GUR3sQR9nUY ?v=GUR3sQR9nUY ► Fun facts about tunicates ► ?v=2wJP_iB1hyc ?v=2wJP_iB1hyc

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

Major Classes of Vertebrates ► Cold Blooded ► Jawless fish ► Jaw fish but no boney skeleton ► Fish Monday HW Page SGR ► Amphibians Tuesday page ► Reptiles Tuesday page ► Warm Blooded ► Aves or birds Wednesday page ► Mammals Thursday page 385

Lampreys and Hagfishes ► Long, eel-like bodies ► Lack jaws ► Paired fins ► Bones ► River Monsters ► The Lamprey ► h?v=haUNa9gzymk h?v=haUNa9gzymk h?v=haUNa9gzymk No one wants to eat the Hagfishes Watch just a few rejections then move on to Lamprey. Hagfish ist=PLprzjT-zT8W2__3cJ1VXWDRumhJjXr865 Lamprey Control Notebook chordata Section List 2 ways to control Lamprey Populations? List 5 interesting facts about the Lamprey o6SVMyc

Sharks, Skates and Rays ► Just for your viewing pleasure evolved to have jaws but no boney skeleton ► om/watch?v=89NXzU5i Kqg ► Class Chondrichthyes  Jaws  Paired fins  Skeleton of cartilage

2/8 Monday Boney Fishes ► Class Osteichthyes  Jaws  Most have a skeleton composed of bone ► Life Science Book Page ► Transparency 27 Cold Blood Vertebrates Bony Fish ► Transparency 31 Mating Behavior of StickleBack Fish

2/9 Amphibians Bill Nye Amphibians syjdJqhfI Amphibian Song HDtRY8u4 HDtRY8u4 What is Happening to Me The Tadpole Blues M20r6WnHI M20r6WnHI Declining Amphibian Populations 4fjzUsY8 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

2/9 Reptiles ► Make me Genius Reptiles ► om/watch?v=zssgp6J_ P3c om/watch?v=zssgp6J_ P3c 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

2/10 Birds ► Class Aves  Adapted for flight ► Feathers ► Hollow bones ► Unique respiratory system How did dinosaurs evolve into birds? m/watch?v=0- 7iXyYS0uw A second take Evolution of Birds from Dinosaurs m/watch?v=duZ2XdlttzM

2/11 Mammals ► Characteristics  Endothermy  Hair  4 chamber heart  Milk from mammary gland  Single jawbone  Specialized teeth Mammals Kid Rhyme Mammal Facts

2/11 Order Monotremata ► Egg-laying mammals ► Most primitive of mammals ► Only three species  Two anteaters and one platypus  Egg Laying Mammals  Y Y Y

Order Marsupialia ► 250 species ► The U.S. has only one species – the Virginia opossum ► Young develop in a pouch

Placental Mammals ► Diverse group composed of at least 18 orders ► 95% of mammals are placental ► They live on land, in water and the air

2/12 Alternative Assessment Poster Due for Animal Kingdom 2/12 Traditional Assessment Animal Kingdom