During an influenza outbreak, many people get infected and die. However, part of the population acquires immunity and survives. This is due to variations in the genotype and phenotype among individuals in the population. Probably a particular phenotype confers resistance to influenza. Therefore, this population is able to grow and develop to maturity and reproduce. Their genes are therefore passed over to subsequent generations.
Approx. 27 years i really hope this helped!!
Insulin. Although it is made in the pancreas, insulin is the hormone.
From my speculation it is loss of habitat and global warming
Answer:
I dont understand what you're asking but a Organisms niche is its instinctual behavior or what its learned in order to survive in its environment.
Explanation: