Invertebrate Groups 1 Sponges Sponges Sponges pump water

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 reassemble as they were before!

2. Coelenterates Many have stinging tentacles -includes jellyfish and coral http: //www. youtube. com/ watch? v=Dh 7 azi 3 f. FQY

Brain Coral

3. Flatworms • FLAT animals. Not what we consider ‘WORMS’ • http: //www. youtube. com/watch? v=g. Os 650 f 6 c 5 M

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=g. Os 650 f 6 c 5 M

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=g. Os 650 f 6 c 5 M

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