1. insects are generally very small but at one point in history insects were much larger. there is an extinct species of insect related to dragonflies called meganeura monyi that lived in the carboniferous period (359.2 to 299 million years ago) that had a wing span of over 70 cm (28 inches)! current dragonflies only reach wing spans of about 10 cm (4 inches). what factors might might have allowed this to happen?

2. what are some advantages holometabolous insects have over hemimetabolous insects?

3. other than what was mention in the video, what are some other ways surface area to volume ratio affects insects? (use internet or textbook pages 12-20)

4. insect morphology has brought about a lot of success to insects over millions of years but what are some of its disadvantages