Without variation in traits among the population, there would be no variation in the relative fitness of individuals within the population (i.e. (higher level) no differential reproductive success between individuals). Without varying reproductive success between individuals in population based on traits, there will be no change in frequency of traits in the population over time. To put it simply, there is nothing for natural selection to act upon.
Abiotic
ecosystem is how they interact and population is all the inhabitants/how many there are
The reason why interdisciplinary science is important to
society is because of the following reasons; It has incorporate sources of
knowledge and it is a way of increasing our knowledge. This science has made
people realize and learn more things than they actually know and it made people
understand things around them without having to actually think an explanation
behind it.