812.5/1.25=650
So it will take 650 years to widen another 812.5 centimeters
In populations of all living things, there is a variation of different traits. This is important for the process of evolution and natural selection because if the individuals in the population vary in size, shape, color or any other morphological or physiological trait, the individuals can be more or less successful because of them and therefore natural selection can filter the variations that are the fittest for that environment.
Among these options, the one which is the broadest group used to classify organisms is D. class.
Although it is not the broadest group ever phylum and kingdom are above it), it is the broadest one here.
It’s C ) Mitochondria-makes energy
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species