Throughout the young larval stages a small gland behind the brain, called the corpus allatum, secretes juvenile hormone (also known as neotenin).
The answer is an embryonic stage. This is the period of gestation right after the implantation, this is when the major organs of a baby are formed.
In the embryonic stage, <span>ectoderm is the outer layer that develops to a hair, teeth, brain and spinal cord. </span>
The answer is With precipitation
Carbohydrates.............
