Lesson 4: Classification & keys Become an ocean explorer (ages 7-11)
How can we group life on the reef?
Example: grouping life on the reef Have hard shells Can fly
What characteristics do these share? Phytoplankton Seagrass
What characteristics do these share? Crown-of-thorns starfish Sea slug
What characteristics do these share? Tiger shark Manta ray
What characteristics do these share? Dolphin Parrotfish
Key for life on the reef
Key for life on the reef
Practise these animal dive signs
Now come up with some of your own 38
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