I really love going to the beach , I just adore going alongside a big body of water and seeing the sunset. 
Beaches are quite relaxing, what else do you like about them?
Fun fact that most people dont know is that beach sand is biological and has things like mollusc shells or coralline algae living in them. 
That's fascinating, can you tell me more about mollusc shells?
Well I know there are over 100,000 species of animals that have a shell; although there is great dispute as to whether these shell-bearing molluscs form a monophyletic group or whether shell-less molluscs are interleaved into their family tree.
Wow that sounds complicated, what else do you know about molluscs?
I know that there are around 85,000 different species of molluscs. Pretty wild. 
That is quite a lot, I wonder how they know there's so many.