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Kingdom Animal:
... is also divided into 9 large
groups called Phyla. There
are 8 invertebrate phyla and
only 1 vertebrate phylum.
Invertebrates
1
2
3
4
5
6
Vertebrates
7
8
9
9 Animal Phyla
Sponges, Stinging Cell Animals, Flatworms,
Roundworms, Segmented Worms, Soft-Bodied
Animals, Spiny Skinned Animals, Jointed-legged
Animals, Chordates
#7. Jointed-Legged Animals
(invert.)
Largest phylum of animals
Jointed legs and segmented body.
 Exoskeleton- outer skeleton that
needs to molt when animal grows.
 4 groups ....

Jointed Leg Groups
A. Crustaceans
10
legs, 2 body segments
 breathe with gills in water
 hard exoskeleton
ex. lobster, crab, shrimp
Lobster
Crayfish
Shrimp
Blue Crab
Water Flea
Jointed Leg Groups
B. Arachnids (eek!!)

8 legs and very scary
ex. spiders, ticks,
mites, chiggers
Black Widow Spider
Blood filled
Tick
Normal
Tick
Red mites eating
pollen
Termite
Scorpion
Jointed Leg Groups
C. Insects
 HUGE group
 6 legs, 3 body segments
ex. flies, ants, beetles, and
any bug you want to name.
Insect
-six legs
Ah!!! Insects Everywhere
Rhinoceros Beetles mating
Larva stage of a
Monarch Butterfly
Jointed Leg Groups
D. Many Legged
ex. centipedes,
millipedes
P.S. Centipedes do not
have 100 legs, nor do
millipedes have 1000!

Centipede
Millipede
#8. Spiny-Skinned Animals
Spiny
skin, live in ocean
 Move by suction cups
called tube feet.
 5 part body plan
ex. starfish, sand dollar,
sea urchin, brittle star
Starfish
Starfish come in many sizes
And
species
Regeneration
of arm
Brittle Stars
Sand
Dollars
Sea Urchin
Kingdom Animal:
... is also divided into 9 large
groups called Phyla. There
are 8 invertebrate phyla and
only 1 vertebrate phylum.
Invertebrates
1
2
3
4
5
6
Vertebrates
7
8
9
9 Animal Phyla
Sponges, Stinging Cell Animals, Flatworms,
Roundworms, Segmented Worms, Soft-Bodied
Animals, Spiny Skinned Animals, Jointed-legged
Animals, Chordates
Kingdom Animal:
... is also divided into 9 large
groups called Phyla. There
are 8 invertebrate phyla and
only 1 vertebrate phylum.
Invertebrates
1
2
3
4
5
6
Vertebrates
7
8
9
There is only one phyla of
vertebrates, chordates.
Phylum #9. Chordates
(vertebrates)
Chordates are the last
and most complicated
phylum to appear on
earth. They are divided
into 7 classes....
Missing jawless fish
From least to most complex:
 Fish(3 classes)
Jawless
Fish
Cartilage Fish
Bony Fish




Amphibians
Reptiles
Birds
Mammals
Class #1-3 Fish
1st animals with bones
 Cold blooded
 Breathe with gills
 Divided into 3 classes ....

Fish (cont.)
The simplest, earliest fish
were Jawless Fish(Class#1).
They have cartilage bones,
no gill covers, and are
parasites. Few species
remain today, but among
them are the:
Hagfish
Lamprey
mouth
Major Hickey!!
Fish (cont.)
The next fishes to evolve
were the Cartilage fish
(Class#2). They still had
cartilage bones and no
gill covers, but were
predators and able to
seek out food.
Shark
Rays
Fish (cont.)
The most complicated
group of fish is the Bony
Fish(Class#3). They have
real bones, gill covers,
swim bladder and
dominate the fish class
today.
Walleye
Sunfish
Seahorse
Porcupine fish
From least to most complex:
 Fish(3 classes)
Jawless
Fish
Cartilage Fish
Bony Fish




Amphibians
Reptiles
Birds
Mammals
Class#4
Amphibians
The next bony
animals to appear
on earth moved on
to the land for part
of their life. They
start in the water,
move to land as
adults, and back to
water to reproduce.
Amphibians spend their
early days in water.
Amphibians absorb their
tail and develop lungs
instead
of gills.
Leopard Frog
Tree Frogs
Toads
Salamanders
From least to most complex:
 Fish(3 classes)
Jawless
Fish
Cartilage Fish
Bony Fish




Amphibians
Reptiles
Birds
Mammals
Class#5 Reptiles
The 1st class of chordates to
live mostly on land, they have
dry, scaly skin, lay their eggs
on land and ruled the earth for
a while but are still cold
blooded. Reptiles are divided
into 4 groups...
Class#3 Reptiles
(cont.)
 Snakes- 3000 species left
 Lizards- 2500 species left
 Turtles- only 200 species
 Crocodilians- 25 species
remain
Reptiles were the first
animals to lay
shelled
eggs.
Chameleon
Timber Rattlesnake
Boa Constrictor
Painted Turtle
Desert Tortoise
Sea Turtles mate only
once every 30 years and
live for 150 years!!
Alligator
Crocodiles really need
braces!!
Gavials
From least to most complex:
 Fish(3 classes)
Jawless
Fish
Cartilage Fish
Bony Fish




Amphibians
Reptiles
Birds
Mammals
Class#6
Birds
Descended from lizards,
Birds were the 1st warm
blooded creatures on the
earth. That, plus feathers
and the ability to fly allows
them to flourish today!!
Although warm blooded,
birds eggs are vulnerable!
Swans
Birds of prey
have
keen
eyes
and
ears.
Not all birds fly!
Many male
birds are
colorful to
attract females.
From least to most complex:
 Fish(3 classes)
Jawless
Fish
Cartilage Fish
Bony Fish




Amphibians
Reptiles
Birds
Mammals
Class#7
Mammals
Not only were they warm
blooded, but they keep
their young inside the
female until born. They
still dominate the animal
kingdom, the Mammals.
Female mammals have milk
(mammary)
glands.
Mammals are warm blooded
and live in a variety of climates.
Some
in very
hot
climates
African
Elephant
Some mammals even live
in the water!
Dolphin
Mammals
are also
adapted to
eat in a
variety of
ways.
An average bat
eats 3000
mosquitoes
in 1 night.
Some mammals have hoofs.
Some mammals have claws.
Yes, humans
are mammals,
too!!