VERTEBRATES AND INVERTEBRATES

To revise all what we have learnt in this unit, here you have a video!!

MORE ABOUT INVERTEBRATES!!

 There are six main groups of invertebrates.

Let´s watch these videos to see how great they are!!

ARTHROPODS

MOLLUSCS

CNIDARIANS

ECHINODERMS AND SPONGES ( PORIFERANS)

ANNELIDS (WORMS)

INVERTEBRATES

 There are two groups of animals: vertebrates and invertebrates.

Here you have some videos to learn about the second group.