22. Invertebrate
This is the one of the most poinsonous animals in the world.
This is a BOX JELLYFISH. It is an invertabrate because it does
not have any bones.
28. 1.1. MammalsMammals
• Mammals are warm-bloodedwarm-blooded
• They have fur or hairfur or hair all over their
body
• They are viviparousviviparous
– Babies come from the mother´s womb,
and drink the mother´s milk
29. ____________ ____ ____ __ ___MammalsMammals have hair or fur
Even mammals that swim under the
water (like dolphins and whales) have
hair.
30. Mammals are born from the mother’s
womb, and drink the mother´s milk.
Most mammal
babies live inside
their mothers
before they are
born, just like
humans.
All mammals drink milk that
comes from their mothers'
bodies. Baby pigs, dolphins,
bats and elephants all drink
milk!
31. The only mammal that can fly is a…
Bat
Even though the bat can fly like a bird, it is a mammal. It has
hair, it is warm-blooded, and it is viviparous.
32. This mammal is the Blue Whale. It is the largest animal in
the world. It can grow to be 100 feet long and weight up to
150 tons!
Blue whales eat tiny shrimp-
like creatures called krill.
33.
34.
35. 2. Reptiles2. Reptiles
• Reptiles are cold-cold-
bloodedblooded
• Their bodies are
covered in dry
scalesscales
• They are oviparou
– The mother lays
eggs, and when the
eggs hatch, the
babies are born.
36. Reptiles are oviparousoviparous
Oviparous animals produce eggs that
hatch outside the body. Amphibians,
birds, most insects, fish, and reptiles are
oviparous.
Fish
Eggs
Baby Snakes
Hatching from
Eggs
Baby Turtle
37. An iguana is a reptile
• It has scales and is cold-blooded
Look at the
iguana’s
claws
38. This snake is a reptile
Look at the snakes
green scales
41. InsectsInsects
•Insects have a hard outer coat, called an
exoskeleton, that protects their soft insides
•They are invertebrates because they do not
have bones in their bodies
•They have six legs
•They have antenna
Grasshopper
Butterfly
Ant Bee
42. The biggest insect in the world is theThe biggest insect in the world is the
Aceton Beetle from South AmericaAceton Beetle from South America
43.
44.
45. AmphibiansAmphibians
• Include frogs and
salamanders.
• All amphibians
are cold-blooded
• Amphibians live
part of their life
in water and part
on land.
59. ECHINODERMS AND SPONGES
• They have radial symmetry
• They live in the sea
• They not have
symmetry body
• They live in the sea
60. COELENTERATES
• They have tentacles
•They have radial symmetry
•They are transparent and
float in water
MOLLUCS
•They have external shell
• They breathe through gills
61. Worms and arthropods
• The worms have enlogated body
And they not have extremities
• The arthropods have a exoskeleton
And they have articulates
extremities
65. How do animals communicate?
• By using their scent
• By making different gestures
and movements
– The gorilla pounds his chest
with his fists when it is angry
– The wolf shows its fangs to
show dominance
• By making different sounds
This dog is
marking his
territory
66. How do animals communicate
affectionaffection?
These giraffes are
rubbing their necks
together These cats are nuzzling each
other.