The Animal Kingdom ( science) Part 2

List of Different types of...
True Worms: ( 24,000 species) Flatworms (12,000 species)
worm Flatworm      Trichinosis

• Body is tubular and/or made up of segment.
• Tube-like digestive system.
• Breathe through their skin.

Sponges: (10,000 species)

        Calcarea

      Homoscleromorpha

• Take in water through pores ( little holes) in their bodies from which they filter (take out) little bots of food.

Cnidarians ( 9,000 species):

Myxozoa Sea anemone

True Scyphozoa

• Hollow body with specialised cells (stingers) that they use for capturing prey.
• Live in water.

Molluscs (100,000 species)

CuttlefishKimberellaAplacophora

• Most live in the sea.
• Most have shells.
• Unsegmented body.

Echinoderms (9,000 species)
Blastoided     Sea Cucumber           r Brittle Stars

• A skeleton made up of five plates.
• Tube feet.
• Live in the sea.

Arthropods (> 1,000,000 species) 

 Centipede  Millipede

    Sea Spider

• Jointed legs.
• Divided into four further sub-group.

Crustaceans

 Barnacle  Cladocera (water Flea)  Maxillopoda

• Most are aquatic
• Body divided into three part.
• Most breathe with gills.
• Hard outer skeletons.

Myriapods

    Pauropoda         Symphla  Millipede and Centipede (two for one)

• Many pairs of legs.
• A single pair of antennae.
• Simple eyes.

Insect

 Mole Cricket  Assassin Bug  Snakefly

• Body divided into three parts.
• Three pairs of legs and two pairs of wings.
• One pair of antennae on head.
• Compound eyes.

Arachnids

         Harvestmen          Palpigradi 

   Acari

• Body Divided into two pairs.
• Four pairs of legs and no wings.
• No antennae.