Question

Biodiversity____
as you move toward the______?

Answer 1

The first blank is increases and the second blank is equator

Answer 2

Biodiversity increases as you move toward the equator. this is called latitudinal diversity gradient (LDG), it basically means that as you mover south or north from one of the poles, you will see an increase in biodiversity. hopefully, that will answer your question and a couple more that you will probably bump into.