The term biodiversity can sound a bit unfamiliar to some of the youngest readers but it refers to the variety of species which live in a determinate ecosystem. I am not sure how many of you have played in your life to observe wild things or to catch bugs but in this resides to know more about the world which surrounds you. I let you with this good video about biodiversity by the California Academy of Sciences in partnership with Khan Academy. Learn new things is always good. Keep your mind open.