Answer:imagination for the speaker
Explanation:
I took it
the simplest answer would be it makes a ecosystem more stable. you also have more variety witch helps incase a promblem occurs
<span>Genes.Genes are the working unit of the hereditary character of DNA. Genes act as instructions usually coding for a particular protein or function. One form of gene which are called alleles <span>determines the traits that can be passed on from parents to offspring.</span></span>
Hypothalamus. Hypothalamus, besides controlling hunger, also, controls thirst, body temperature, sleep, emotional, physical, instinctive and reproductive behavior. Through pituitary is associated whit endocrine system, which is one of most important functions of hypothalamus.