Maths

Image Attribution

Sharks: https://pixabay.com/p-1454245/?no_redirect

Crabs: https://www.goodfreephotos.com/albums/vector-images/king-crab-cartoon-vector-files.png

Turtles: https://pixabay.com/p-310008/?no_redirect

Jellyfish: https://pixabay.com/p-1297178/?no_redirect