What is the answer to the question?

What process allows for the development of haploid sex cells? mitosis meiosis fertilization pollination

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.