Homologous structures are features that are similar in structure but appear in different organisms and have different functions, and are also evidence of common Therefor, the striped coat of the zebra and the tiger are homologous features, so D. is the correct answer.
Well, I cannot see your list of suggestions but I am assuming one of them would be muscles.
Muscles use a lot of energy and require a large number of mitochondria.
Properly speaking, a typical cell cycle involves a series of stages: G1, the first growth phase; S, where the genetic material is duplicated; G2, the second growth phase; and M, where thenucleus divides through mitosis.Mitosis is divided into prophase, prometaphase, metaphase, anaphase and telophase.