AUTOR: Gabriel Izquierdo
INVERTEBRATE ANIMALS
Unit for 4th of primary
INVERTEBRATES
Sponges, cnidarians and worms
WATCH THE VIDEO BEFORE STARTING
Molluscs
Arthropods
SPONGES, CNIDARIANS AND WORMS
Sponges are the simplest invertebrates.
They are aquatic and live attached to
rocks beneath the sea. They cannot
move about.
Their sac-like bodies are full
of pores
Worms have got long, soft bodies. They haven’t got legs.
This group of invertebrates includes very different animals.
Earthworms live in the soil, but other worms live in water,
for example, fireworms.
Most of them live in
the sea. Jellyfish are cnidarians. They move about in sea
currents. They have got jelly-like bodies that look like umbrellas.
They have got poisonous tentacles
PRACTICE
summary
Clic on the sentences that dont't below to sponges
Sponges are the simplest invertebrate
Read and learn
They are terrestrial invertebrates
X/N
They can't move about
ERR
They live attached to the rocks beneath the sea
Tot
Their bodies look like umbrellas
Their sac-like bodies are full of pores
NEXT PAGE
Cambia texto aquí
- Jelly Fish are cnidarians
- Jellyfish live in the sea
- They've got jelly like bodies
- Jellyfish bodies look like umbrellas
- They have got poisonous tentacles
- Worms have long soft body
- Worms haven't got legs
- Worms are annelids
- Earthworms live in the soil
- Fireworms live in the water
Order the cups "Cnidarians and worms
speed cups
10
as fast as you can!!!
MOLLUSC AND ECHINODERMS
summary
Echinoderms have got a skeleton made
of hard plates, often with spines.
All molluscs have got soft bodies. Most of them have got
one or two shells to protect their bodies. .
Molluscs are oviparous. Larvae hatch from eggs
Most starfish have got five limbs,
called rays. They move along
the seabed using hundreds of tiny
feet at the bottom of each ray
Bivalves have got two shells
to protect their bodies.
Snails have got a single
spiral shell to protect their
bodies.
Slugs haven’t got a shell.
Sea urchins are round in shape.
They live on the seabed.
They have got spines to move
with and to protect their bodies
Octopuses, squids and
cuttlefish have got limbs with
suction caps for hunting prey
Play
ARTHROPODS
All
arthropods have got an articulated exoskeleton. They have got legs and a segmented body
MORE INFORMATION
LEGS
BODY PARTS
They 've got three parts:1.-The head . 2.-The thorax3.-The abdomen
Insects
most have got two
antennae. All insects have got two or four wings
Insects have got six legs
They've got two parts:1.- Cephalothorax 2.- Abdomen
Arachnids
Arachnics haven't got an anthenae , they've got 8 eyes
Arachnics have got 8 legs
They have got antennae. They've got a hard
exoskeleton.
They've got two parts:1.- Cephalothorax 2.- Abdomen
Crustaceans
Crustaceans have got 10 legs
They've got long bodies
made up of many identical segment
Myriapods have also got
a pair of antennae.
Myriapods
Myriapods have a lot of legs
ARTHROPODS ACTIVITIES
Look at this video and answer the questions
GAMES
Practice 1
Practice 2
Practice 3
for playing in groups
SUMMARY
START
CLIC TO LEARN THIS PART
INVERTEBRATES
Gabriel
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Transcript
AUTOR: Gabriel Izquierdo
INVERTEBRATE ANIMALS
Unit for 4th of primary
INVERTEBRATES
Sponges, cnidarians and worms
WATCH THE VIDEO BEFORE STARTING
Molluscs
Arthropods
SPONGES, CNIDARIANS AND WORMS
Sponges are the simplest invertebrates. They are aquatic and live attached to rocks beneath the sea. They cannot move about. Their sac-like bodies are full of pores
Worms have got long, soft bodies. They haven’t got legs. This group of invertebrates includes very different animals. Earthworms live in the soil, but other worms live in water, for example, fireworms.
Most of them live in the sea. Jellyfish are cnidarians. They move about in sea currents. They have got jelly-like bodies that look like umbrellas. They have got poisonous tentacles
PRACTICE
summary
Clic on the sentences that dont't below to sponges
Sponges are the simplest invertebrate
Read and learn
They are terrestrial invertebrates
X/N
They can't move about
ERR
They live attached to the rocks beneath the sea
Tot
Their bodies look like umbrellas
Their sac-like bodies are full of pores
NEXT PAGE
Cambia texto aquí
Order the cups "Cnidarians and worms
speed cups
10
as fast as you can!!!
MOLLUSC AND ECHINODERMS
summary
Echinoderms have got a skeleton made of hard plates, often with spines.
All molluscs have got soft bodies. Most of them have got one or two shells to protect their bodies. . Molluscs are oviparous. Larvae hatch from eggs
Most starfish have got five limbs, called rays. They move along the seabed using hundreds of tiny feet at the bottom of each ray
Bivalves have got two shells to protect their bodies.
Snails have got a single spiral shell to protect their bodies. Slugs haven’t got a shell.
Sea urchins are round in shape. They live on the seabed. They have got spines to move with and to protect their bodies
Octopuses, squids and cuttlefish have got limbs with suction caps for hunting prey
Play
ARTHROPODS
All arthropods have got an articulated exoskeleton. They have got legs and a segmented body
MORE INFORMATION
LEGS
BODY PARTS
They 've got three parts:1.-The head . 2.-The thorax3.-The abdomen
Insects
most have got two antennae. All insects have got two or four wings
Insects have got six legs
They've got two parts:1.- Cephalothorax 2.- Abdomen
Arachnids
Arachnics haven't got an anthenae , they've got 8 eyes
Arachnics have got 8 legs
They have got antennae. They've got a hard exoskeleton.
They've got two parts:1.- Cephalothorax 2.- Abdomen
Crustaceans
Crustaceans have got 10 legs
They've got long bodies made up of many identical segment
Myriapods have also got a pair of antennae.
Myriapods
Myriapods have a lot of legs
ARTHROPODS ACTIVITIES
Look at this video and answer the questions
GAMES
Practice 1
Practice 2
Practice 3
for playing in groups
SUMMARY
START
CLIC TO LEARN THIS PART