Phylum ChordataPhylum ChordataYou are in the kingdom You are in the kingdom

Animal and phyla chordata, Animal and phyla chordata, but what is the class, order, but what is the class, order,

family, genus, species of family, genus, species of homo sapiens? Let’s learn homo sapiens? Let’s learn

together…..together…..

Characteristics of Characteristics of ChordatesChordates

►NotochordNotochord►Dorsal nerve cordDorsal nerve cord► Pharyngeal pouches or gill slitsPharyngeal pouches or gill slits► Postanal tailPostanal tail

► Subphylum Subphylum CephalocharodatCephalocharodata- a- This subphylum This subphylum is composed of is composed of about 2 dozen about 2 dozen blade-shaped blade-shaped animals known as animals known as lancelets. They lancelets. They retain all retain all characteristic characteristic throughout life.throughout life.

► Subphylum Subphylum Urochordata- Urochordata- This This subphylum is subphylum is commonly known as commonly known as tunicates ( sea tunicates ( sea squirts). Larva squirts). Larva posses all chordate posses all chordate characteristics while characteristics while adults exhibit only adults exhibit only Pharyngeal pouches.Pharyngeal pouches.

► Subphylum Subphylum CephalocharodatCephalocharodata-a-

►How to say How to say CephalocharodatCephalocharodataa

►Pronounce

► Subphylum Subphylum Urochordata-Urochordata- This This subphylum is commonly known as subphylum is commonly known as tunicates ( sea squirts). Larva posses all tunicates ( sea squirts). Larva posses all chordate characteristics while adults chordate characteristics while adults

exhibit only Pharyngeal pouchesexhibit only Pharyngeal pouches..► Tunicates contractile Tunicates contractile

behaviorbehavior► tunicates contractile behavio

r► https://www.youtube.com/wa

tch?v=GUR3sQR9nUY► Fun facts about tunicatesFun facts about tunicates► https://www.youtube.com/wa

tch?v=2wJP_iB1hyc

Subphylum VertebrataSubphylum Vertebrata

►All characteristics All characteristics of chordatesof chordates

►Distinguishing Distinguishing characteristicscharacteristics Vertebral column Vertebral column

or spineor spine Cranium or skull Cranium or skull

that protects the that protects the brainbrain

Endoskeleton Endoskeleton composed of bone composed of bone or cartilageor cartilage

Major Classes of Major Classes of VertebratesVertebrates►Cold BloodedCold Blooded

► Jawless fish Jawless fish ► Jaw fish but no boney skeletonJaw fish but no boney skeleton►Fish Monday HW Page 350-354 SGR Fish Monday HW Page 350-354 SGR ►Amphibians Tuesday page 356-359Amphibians Tuesday page 356-359►Reptiles Tuesday page 363-367Reptiles Tuesday page 363-367►Warm BloodedWarm Blooded►Aves or birds Wednesday page 371-377Aves or birds Wednesday page 371-377►Mammals Thursday page 385Mammals Thursday page 385

Lampreys and HagfishesLampreys and Hagfishes

► Long, eel-like bodiesLong, eel-like bodies► Lack jawsLack jaws► Paired finsPaired fins► BonesBones

► River MonstersRiver Monsters► The LampreyThe Lamprey► https://www.youtube.com/w

atch?v=haUNa9gzymk

No one wants to eat the Hagfishes Watch just No one wants to eat the Hagfishes Watch just a few rejections then move on to Lamprey. a few rejections then move on to Lamprey.

HagfishHagfishhttps://www.youtube.com/watch?v=F8aVgSIDJjM&list=PLprzjT-zT8W2__3cJ1VXWDRumhJjXr865

Lamprey ControlLamprey Controlhttps://www.youtube.com/watch?v=9JQ6oHjpeqU

Notebook chordata SectionNotebook chordata Section

List 2 ways to control Lamprey List 2 ways to control Lamprey Populations?Populations?

List 5 interesting facts about the List 5 interesting facts about the LampreyLampreyhttps://www.youtube.com/watch?v=AzZao6SVMyc

Sharks, Skates and RaysSharks, Skates and Rays

► Just for your viewing Just for your viewing pleasure evolved to pleasure evolved to have jaws but no have jaws but no boney skeletonboney skeleton

► https://https://www.youtube.com/www.youtube.com/watch?watch?v=89NXzU5iKqgv=89NXzU5iKqg

►Class Class ChondrichthyChondrichthyeses JawsJaws Paired finsPaired fins Skeleton of Skeleton of

cartilagecartilage

2/8 Monday Boney Fishes2/8 Monday Boney Fishes

►Class Class OsteichthyesOsteichthyes JawsJaws Most have a Most have a

skeleton skeleton composed of composed of bonebone

► Life Science Book Life Science Book Page 350-354Page 350-354

► Transparency 27 Transparency 27 Cold Blood Cold Blood Vertebrates Bony Vertebrates Bony FishFish

► Transparency 31 Transparency 31 Mating Behavior of Mating Behavior of StickleBack FishStickleBack Fish

2/9 Amphibians2/9 AmphibiansBill Nye AmphibiansBill Nye Amphibians

https://www.youtube.com/watch?https://www.youtube.com/watch?v=YnsyjdJqhfIv=YnsyjdJqhfI

Amphibian SongAmphibian Songhttps://www.youtube.com/watch?v=ti0HDtRY8u4

What is Happening to Me The What is Happening to Me The Tadpole BluesTadpole Blueshttps://www.youtube.com/watch?v=AgM20r6WnHI

Declining Amphibian PopulationsDeclining Amphibian Populations

https://www.youtube.com/watch?https://www.youtube.com/watch?v=lez4fjzUsY8v=lez4fjzUsY8

►Class AmphibiaClass Amphibia Included frogs, Included frogs,

toads and toads and salamanderssalamanders

Skin is moist and Skin is moist and permeable to gases permeable to gases and waterand water

Most lay eggs in Most lay eggs in waterwater

Most have an Most have an aquatic larval stageaquatic larval stage

2/9 Reptiles2/9 Reptiles

►Make me Genius Make me Genius ReptilesReptiles

► https://https://www.youtube.com/www.youtube.com/watch?watch?v=zssgp6J_P3cv=zssgp6J_P3c

►Class ReptiliaClass Reptilia Turtles, Turtles,

crocodiles, crocodiles, alligators, alligators, lizards and lizards and snakessnakes

Skin is dry and Skin is dry and scalyscaly

Eggs that can Eggs that can be laid on landbe laid on land

2/10 Birds2/10 Birds►Class AvesClass Aves Adapted for Adapted for

flightflight►FeathersFeathers►Hollow bonesHollow bones►Unique Unique respiratory respiratory systemsystem

How did dinosaurs How did dinosaurs evolve into birds?evolve into birds?

https://https://www.youtube.com/www.youtube.com/watch?v=0-7iXyYS0uwwatch?v=0-7iXyYS0uw

A second take Evolution A second take Evolution of Birds from Dinosaursof Birds from Dinosaurs

https://https://www.youtube.com/www.youtube.com/watch?v=duZ2XdlttzMwatch?v=duZ2XdlttzM

2/11 Mammals2/11 Mammals►CharacteristicsCharacteristics

EndothermyEndothermy HairHair 4 chamber heart4 chamber heart Milk from mammary Milk from mammary

glandgland Single jawboneSingle jawbone Specialized teethSpecialized teeth

Mammals https://www.youtube.com/watch?v=cU4Bo_rF_R0

Kid Rhyme Mammal Factshttps://www.youtube.com/watch?v=zxthrUhcKj8

2/11 Order Monotremata2/11 Order Monotremata

►Egg-laying mammalsEgg-laying mammals►Most primitive of mammalsMost primitive of mammals►Only three speciesOnly three species

Two anteaters and one platypusTwo anteaters and one platypus

Egg Laying MammalsEgg Laying Mammals https://www.youtube.com/watch?https://www.youtube.com/watch?

v=NGuIezLFidYv=NGuIezLFidY

Order MarsupialiaOrder Marsupialia

►250 species250 species►The U.S. has only one species – the The U.S. has only one species – the

Virginia opossumVirginia opossum►Young develop in a pouchYoung develop in a pouch

Placental MammalsPlacental Mammals

►Diverse group composed of at least 18 Diverse group composed of at least 18 ordersorders

►95% of mammals are placental95% of mammals are placental►They live on land, in water and the airThey live on land, in water and the air

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

KingdomKingdom2/12 Traditional Assessment Animal 2/12 Traditional Assessment Animal KingdomKingdom