Invertebrate Groups

1. Sponges

Sponges Sponges pump water through the hole at the top and filter tiny (microscopic) particles of food that are floating in the water You can blend them up and they will re-assemble as they were before!

2. Coelenterates Many have stinging tentacles -includes jellyfish and coral http://www.youtube.com/watch?v=Dh7azi3fFQY

Brain Coral

3. Flatworms FLAT animals. Not what we consider ‘WORMS’ http://www.youtube.com/watch?v=gOs650f6c5M

4. Nematodes THIS GROUP includes worms (roundworms, pinworms). Some are parasitic (What is a parasite!?) Don’t believe me!? http://www.youtube.com/watch?v=gOs650f6c5M

5. Molluscs Soft-bodied animals that are often protected by an outer shell e.g. Snails, Oysters, Clams, Squid and Octopus

SMART OCTOPUS CONE SNAIL

6. Annelids This group includes roundworms (the one you see often) and leeches!

The Largest Roundworm... http://www.youtube.com/watch?v=gOs650f6c5M

7. Arthropods This is a HUGE group that includes 80% of the earth’s animals!! All have jointed legs

8. Echinoderms This group includes STARFISH, urchins, sea cucumbers and sea horses! EVER SEEN A SEA STAR EAT!?

Task Write a paragraph highlighting your knowledge of organisms using ALL of the words below... ORGANISM, INVERTEBRATE, CLASSIFY, LIVING, VERTEBRATE, NON-LIVING, CHARACTERISTICS, EXAMPLE, COLD-BLOODED, WATER, LAND, BIRD, ARTHROPOD, HUMAN