An allele is a variation of a gene the assumption here that by particular character you also mean gene
Answer:
abiotic factors are factors that are not organ or biotic as one would say like the nevirmwnt or air or water biotic factors are things like tress food plants ect
Answer: plucking
Plucking is a type of glacier erosion.Plucking occurs when the ice around the broken rocks, gets displaced with the force exerted by the retreating glacier. The glacier ice plucks the freezed rocks away along with it during glacier erosion.