1. Lesson 4:
Classification & keys
Become an ocean explorer (ages 7-11)

2. How can we group life on the reef?

3. Example: grouping life on the reef
Have hard shells
Can fly

4. What characteristics do these share?
Phytoplankton
Seagrass

5. What characteristics do these share?
Crown-of-thorns starfish
Sea slug

6. What characteristics do these share?
Tiger shark
Manta ray

7. What characteristics do these share?
Dolphin
Parrotfish

8. Key for life on the reef

9. Key for life on the reef

10. Practise these animal dive signs

11. Now come up with some of your own38

12. Photo credits
Slide Photo Credit 2, 4 Seagrass NOAA 2, 4 Phytoplankton NOAA 2, 3 Triton’s trumpet NOAA 2, 3 Noddy Digital Explorer All other images and photos Catlin Seaview Survey