VERTEBRATES
What are vertebrates?
Vertebrates are
animals with a
spinal column
and an elaborate
skeletal
structure.
Characteristics
All vertebrates
have muscles
and skeletons
that help them
to move around
easily.
Classification
Vertebrates
are classified
into five
classes
PISCES-FISHES
1. They are cold-blooded
animals
2. They have streamlined
body
3. They have gills to breathe
and fins for movement
4. The body is covered with
scales which provide
protection to the body
AMPHIBIANS
1.They are cold-blooded
animals
2.They can live both on land
and in water
3.They breathe through both
lungs and moist skin
4.They reproduce only in
water
REPTILES
1.They are cold -blooded
animals
2.They live on land
3.They breathe with the
help of lungs
4.They have dry and scaly
skin
5.They lay eggs
BIRDS
1.They are warm blooded
animals
2.Their body is covered with
feathers
3.Their forelimbs are
modified into wings
4.They breathe through
lungs
5.Their bones are hollow
6.They lay eggs
MAMMALS
1.They are warm blooded
animals
2.They breathe through
lungs
3.They give birth to
babies
4.They have mammary
glands to produce milk
INVERTEBRATES
What are invertebrates?
Invertebrates
are animals
without a
spine.
Characteristics
Classification
SPONGES
COELENTERATES
MOLLUSKS
ARTHROPODS
WORMS
ECHINODERMS
SPONGES
1. They are known as
sponges
2. They live in salt water
fixed to some object
3. Their body is covered
with pores through
which their food
enters
COELENTRATES
1.They live in the marine habitat
2.The body is like a tube with
one opening called mouth
3.Mouth is surrounded by
tentacles that help in capturing
prey
4.They have a radially
symmetrical body
ARTHROPODS
1.They have a segmented,
bilaterally symmetrical body
2.Their body is divided into three
parts – Head, Thorax and
Abdomen
3.It is covered by a tough outer
covering called exoskeleton
4.They have jointed appendages
SEGMENTED WORMS
1.They are found in marine
and fresh water
2.They have segmented
bilaterally symmetrical
body
3.They have a body cavity
4.They have special organs of
excretion known as
Nephridia
ECHINODERMS
1.They live in the marine
environment and have
spines all over the body
2.The body is radially
symmetrical
3.Their body has two
openings, mouth and anus
4.They have tube like feet
having suckers