True Worms:
Body is tubular and/or made up of segments
Tube-like digestive system
|
Ragworm |
|
Earthworm
|
Flat worm:
Breathe through their skin
Unsegmented Body
|
Fluke |
|
Tapeworm |
Sponges:
Takes in water through pres (little holes)
in their bodies from which they
filter (take out) little bits of food
|
Demosponge
|
|
Hexactinellid |
Cnidarians
Hollow body with specialised
cells (stingers) that they use for
capturing prey
Live in water
|
Sea anemone |
|
Jellyfish |
Molluscs
Most live in the sea
Most have shells
Unsegmented body
|
Sea slug |
|
Shellfish |
Echinoderms
A skeleton made up of five plates
Tube feet
Live in the sea
Jointed legs
Divided into four further sub-groups
|
Sea urchin |
|
Starfish |
Arthropods
Crustaceans
Most are aquatic
Body Divided into three parts
Most breathe with gills
Hard outer skeleton
|
Crab
|
|
Krill
|
|
Copepod |
Myriapods
Many pairs of legs
A single pair of antennae
Simple eyes
|
Centipede
|
|
Millipede |
Insects
Body divided into three parts
Three pairs of legs and two pair of wings
One pair of antennae on head
Compound eyes
|
Bee
|
|
Butterfly
|
|
Ladybug bettle |
Arachnids
Body divided into two parts
Four pairs of legs and no wings
No antennae
|
Spider
|
|
Scorpion |
|
Schizmodia |