Polymorphic. Polymorphisms
refer to spasmodic genetic variation within the same species of an organism resulting in varying forms of the species. Polymorphic viruses, mutate at faster rates hence the virus
population is subject to high rates of turnovers. The high divergence of various
species, such as influenza, is as a result of 0.01 mutations per nucleotide site
per year.
Mono hybrid cross dihybrid cross homozygous cross heterozygous
I think the answer is D. Circulatory because this system helps to get the absorbed nutrients throughout the whole body
You would try to study the nucleus and the organelles of the organism to classify it