Answer:
b im pretty sure
Explanation:
Population density is the average number of individuals in a population per unit of area or volume. For example, a population of 100 insects that live in an area of 100 square meters has a density of 1 insect per square meter.
<span>Antidiuretic hormone (ADH) is primarily regulated by the changes in plasma osmolarity. Any alteration in the plasma osmolarity is sensed by the osmoreceptors, which are the neurons present in the hypothalamus. They then, stimulate the secretion of ADH.</span>
The answer is fusion of gametes via fertilization.