Transcript Classifying Animals

How Animals Live?
How do different animals live, grow, and
change?
Classifying Vertebrates
All animals need water, oxygen, food, and shelter
A can
body
featureorpassed
ontwo
togroups.
Animals
be classified,
divided, into
that have
a backbone.
anThose
animal
from
its parents is called
Those that don’t have a backbone.
a trait.
Traits can include things an
A backbone is a series of bones that run down the
animal
does.
back of some
animals.
An animal that has a backbone is called a vertebrate
What is the series of
bones that runs down
my back called?
A. Root stem
B. backbone
C. Vertebrate
A Vertebrate such as this horse has a skeleton inside its body.
Mammals
Vertebrates can be classified into several smaller groups.
One of these groups is the mammal group.
A mammal is an animal that has hair/fur and produces
milk for its young.
They need oxygen, a gas in the air, to live and they
breath the air with their lungs.
Most mammals have a thick coat of hair or fur that
Traps air against their body for warmth.
What are two traits of
Mammals?
Sea lions are mammals that live both in water and on land. Even
Mammals that live in water have lungs and most breath air.
Birds
A bird is a vertebrate that has feathers, wings, and two legs.
Birds lay eggs that have hard shells.
Most birds can fly.
Feathers keep a bird warm, but are light so they do not
weigh the bird down.
How are the bodies
of mammals and
birds alike and
different?
Bird of Paradise are found in western Indonesia, Papua New Guinea, and
eastern Australia. The members of this family are perhaps best known for
the plumage of the males of most species.
Fish
Fish are vertebrates that live in water.
Fish have long, narrow bodies that make it easy to move
through water.
Fish are vertebrates that live in water.
Most fish are covered with scales that protect them.
Like all animals fish need oxygen to live, but they don’t
have lungs. Instead they breath through gills.
What are two traits of fish?
All fish have backbones. Sharks and Rays have backbones
Made of cartilage, a material that is softer than bone.
Amphibians
An amphibian is a vertebrate that starts life in water and
then lives on land as an adult.
Amphibians lay eggs in water and their young breath
through gills and have tails to help them swim.
As the young grow, their bodies change. Lungs and legs
grow and gills disappear.
After an amphibians body changes, they live on land.
An animal lives in water,
has fur, and breathes
with lungs. Would you
classify it as a bird,
a mammal, a fish,
or an amphibian?
Frogs have wet, smooth skin. Wet skin prevents their bodies
from drying out on land.
Reptiles
A reptile has dry, scaly, skin and lays eggs on land.
The scales protect them from the hot sun
Reptiles can live in many different environments.
Some use legs to move, others slither on the ground.
All reptiles breath with lungs and reptiles that spend a lot
of time in water must stick their noses out to breath.
Why do alligators
and crocodiles
have to stick their
noses out
of the water?
Directions: If you think the animal is a mammal, circle it. If it’s a fish, put an X
through it. If you think it’s a bird, box it. If you think it is a reptile, triangle it.
Animal
Classification
Game
Invertebrates
Animals without a backbone
includes sea stars, butterflies, and spiders
Many invertebrates are very small
a soft sac filled with liquid supports worms and sea jellies
Insects and other arthropods have a hard covering on the
outside of their bodies.
Major Kinds of Invertebrate Animals
Directions: If you think the animal is a sea jelly, circle it. If it’s a worm, put an X
through it. If you think it’s a Mollusk, box it. If you think it is a arthropod, triangle it.
Chapter two lesson one and two
• Quiz – log in to Mr. Elliott’s website and
go to 3rd grade science interactive. At the
very bottom under files you will find Ch. 21 quiz. Open it and finish the quiz. Print
off when finished.
Amphibian life cycle
Frog Eggs
Tadpole
Tadpole changing into frog
Adult frog
Salamander turning into an adult
adult Salamander
Assignment:
Make an illustration that shows the life cycle of an
amphibian.
The picture should show these stages:
Egg
Young living in water
Changing into an adult
Adult living on land
Please choose a frog, a toad, or a salamander.