A young child shown a nine-inch round bowl and a six-inch round bowl containing equal amounts of popcorn says he is certain the smaller bowl has more popcorn than the larger bowl. This child has yet to acquire what jean piaget called

conservation              

Explanation:

In psychology, the term "conservation" is one of the key concepts in the theory of cognitive development which was proposed by a psychologist named Jean Piaget.

According to Piaget, conservation is described as an individual propensity to think logically that allows him or her determine that a specific quantity would remain similar or same irrespective of the adjustment of the container, apparent size, or shape.

According to the question above, the child has yet to acquire conservation.

they produces sugar..

hope this , question was a little open ended