A system made of bundles of long fibers
Pretty sure A: chemical energy from broken bonds is transformed into mechanical energy for muscles
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.
They each contain chlorophyll that absorbs violet-blue light and reflects green light.
