What are the DV and IV in this question? if my lactose enzyme does not work does that affect the way the milk digests?

Which of the following is a good strategy when it comes to desserts

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created

This rapid change in species that rarely leaves behind fossil evidence is referred to as