According to Piaget, which stage of cognitive development occurs between approximately ages 2 to 7 years, in which children's use of symbolic thinking grows, mental reasoning emerges, and the use of concepts increases

The correct answer is preoperational stage of cognitive development.

Explanation:

Piaget's theory of cognitive development is used in the fields of psychology and education. Piaget gave four stages of cognitive development that characterize different stages in the development of a child from his or her birth to adolescence that comprises development in the field of language, memory, morals, and reasoning.  

Of the four stages of Piaget's cognitive development, the preoperational stage can be witnessed in the children between the ages of 2 to 7. In the preoperational stage, a child's imagination and memory get develop, however, children at this stage are egocentric.  

The prime form of development taking place at the preoperational stage is the tendency of the child to provide meaning to the objects with language and a child starts to think about the things symbolically.  

prophase: we can observe the chromosomes to coil up and condense. they become visible. nuclear membrane and envelope disintigrate.s

metaphase: chromosomes align at the center, the metaphase plate. spindle fibers attach to centromeres of the sister chromatids. they meet at kinetochores.

anaphase: sister chromatids are pulled towards each opposing centromere, set on different poles.

telophase: chromosomes are now clustered up only on either sides of the cell. nuclear membranes reform, and a new cell wall forms along the cell plate. this will lead to cytokinesis, the process that divides the cell membrane and forms the cell wall.