Transcript Phylum Chordata

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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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