Question

1. Go online. Choose a group of organisms you are interested to work with (eg.

Invertebrates)

2. Download pictures of different species.

3. Print the pictures. In tabular form. list all the characters.

4. Remember that in building cladogram. use only shared derived

characteristics.

5. Construct your cladogram.

Answer 1

The Invertebrates unit explores six groups of invertebrates— poriferans (sponges), cnidarians (such as sea jellies and corals), echinoderms (such as sea urchins and sea stars), mollusks (such as octopuses, snails, and clams), annelids (worms), and arthropods (such as insects, spiders, and lobsters).