Have fun learning about food chains:
https://www.bbc.co.uk/bitesize/articles/zww9r2p#zndvvwx
https://www.sheppardsoftware.com/science/animals/games/food-chain/
https://www.sciencekids.co.nz/gamesactivities/foodchains.html
http://projects.plattebasintimelapse.com/prp_a/food_chain.html
https://www.sheppardsoftware.com/content/animals/kidscorner/foodchain/foodchain.htm