1) Describe 5 different events in geological time in terms of the changes happening to species...

1) Describe 5 different events in geological time in terms of the changes happening to species on the planet and what those changes were happening. (10)

2. You are kayaking with a friend on the ocean on a sunny summer day. Your friend comments on all the “stuff” floating in the water. Pick 4 different unicellular eukaryotic organisms (protists) that could be that “stuff”. Tell me a bit about each of those protists (e.g. cell structures), including whether they are phytoplankton or zooplankton. (2 marks each for 8 marks total)

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