Answer: The correct answer is- A.Gene Pool.
Gene pool can be described as the collection /set of all the genes that are present withing a particular population of interbreeding individuals.
In other words, it includes all the variants of a gene (also called allele, such as dominant and recessive allele) present in a population. Gene pool is generally related to a population of around a specific species.
Thus, option A) is the right answer.
Explanation:
Altruistic behavior is showing selfless, uninterest in the wellbeing of others. it is uncommon behavior because humans have feelings and empathy for others.
The mesenteric veins and the hepatic portal vein
Commensalism- A whale and barnacles
Mutualism- The Oxpecker and the Rhino, the rhino provides a place for the Oxpecker to perch, while the Oxpecker eats all the bugs and parasites off the rhino.
Parasitism- A tick on a deer, and potentially harming the deer. The tick gains while the deer loses.
