The Ocean's Tight Five
Episode:78Te Papa Collection:Natural Environment
Suggested curriculum levels:3 – 7
Description:Echinoderms are known as the tight five of the ocean. Rick Webber explains why.
Questions for students
- What does the term 'tight five' mean to you? What does it mean in the context of this Tale?
- Watch the Tale again and note any words or phrases you are not familiar with. Look them up and check that you understand their meanings in the context of the Tale.
- The sea animals in this Tale belong to Phylum Echinodermata, and there are five classes within the phylum. Using your knowledge of taxonomy, trace the decision-making process by which scientists decide whether or not to include a completely new creature into one of these classes.
- Explain how this Tale illustrates patterns of inheritance. Within a shared basic pattern, what variations have developed? Why might these variations be important? How would natural selection play a part in determining variations?
- Why do you think five is the key number for these animals? What is interesting about the number five? Find other examples of a number or number sequence in nature. What can these relationships teach us about nature and about mathematics? Use the 'Connections and conclusions' response template to explore 'nature and numbers'.