2. What is classification?
Due to the large number of
species of plants and animals,
scientist put similar animals in
groups. This is called
classification.
4. What are Vertebrates and
Invertebrates ?
Vertebrates are animals that
have a backbone while
invertebrates are animals
without a backbone.
5. Which animals are vertebrates?
These animals include:
Fish
Birds
Reptiles
Amphibians
Mammals
6. Which animals are invertebrates?
The groups of invertebrates
include: jellyfish and sea
anemones, flatworms,
roundworms, segmented
worms, molluscs, starfish and
sea urchins and arthropods.
7. Jellyfish and sea anemones
Jelly-like body.
Have tentacles with stinging
cells to catch food.
11. Molluscs
Many have a shell.
Body not in segments.
Move around on a muscular
foot.
12. Starfish and sea urchins
5 ‘arms’ or star-shaped pattern
on their bodies.
Spiny skins
13. Arthropods
Jointed legs.
Body has a hard outer skeleton
They can be divided into 4
smaller groups: Crustaceans,
Insects, Spiders, Centipedes
and millipedes.