Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species.
An example of a parallel choice on a dichotomous key is happy or sad and old or young. Either one of those answers.
The most common phenotype or allele for a gene in a population is referred to as the wild-type. The wild type denotes to the phenotype of the classic form of a species as it arises in Mother Nature. In the beginning, the wild type was inattentive as a creation of the standard normal allele at a locus in difference to that created by a non-standard mutant allele.
