The accumulation of favourable variations led to the appearance of new_______.
Final answer: The accumulation of favourable variations led to the appearance of new species.
Which of these is a new technology to tackle the plastic wastage accumulation?
is it necessary that variation is always favourable to the organism? suppose instead of a green betle a blue beetle is born , it would be equally visible as the red beetle, thereby causing a decrease of population of beetles in that area. so what is responsible for making the variation favourable to the organism.?