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
CephalocharodataThis 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
► 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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Tunicates contractile behavior
tunicates contractile behavior
https://www.youtube.com/watch
?v=GUR3sQR9nUY
Fun facts about tunicates
https://www.youtube.com/watch
?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 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
Lampreys and Hagfishes
► Long,
eel-like bodies
► Lack jaws
► Paired fins
► Bones
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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
River Monsters
Populations?
The Lamprey
List 5 interesting facts about the Lamprey
https://www.youtube.com/watc
https://www.youtube.com/watch?v=AzZa
h?v=haUNa9gzymk
o6SVMyc
Sharks, Skates and Rays
for your viewing
►Class
pleasure evolved to
Chondrichthyes
have jaws but no
 Jaws
boney skeleton
► https://www.youtube.c
 Paired fins
om/watch?v=89NXzU5i
 Skeleton of
Kqg
► Just
cartilage
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
2/9 Amphibians
Bill Nye Amphibians
https://www.youtube.com/watch?v=Yn
syjdJqhfI
Amphibian Song
https://www.youtube.com/watch?v=ti0
HDtRY8u4
What is Happening to Me The Tadpole
Blues
https://www.youtube.com/watch?v=Ag
M20r6WnHI
Declining Amphibian Populations
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
2/9 Reptiles
► Make
me Genius
Reptiles
► 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
2/10
Birds
►Class Aves
 Adapted for flight How did dinosaurs
►Feathers
evolve into birds?
►Hollow bones
https://www.youtube.co
►Unique respiratory m/watch?v=07iXyYS0uw
system
A second take Evolution
of Birds from Dinosaurs
https://www.youtube.co
m/watch?v=duZ2XdlttzM
2/11 Mammals
► Characteristics
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
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Mammals
https://www.youtube.com/watch?v=cU4Bo_rF_R0
Endothermy
Kid Rhyme Mammal Facts
https://www.youtube.com/watch?v=zxthrUhcKj8
Hair
4 chamber heart
Milk from mammary gland
Single jawbone
Specialized teeth
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
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