Use the cladogram about fish to answer the following questions. Which of the following best describes the organism located at point B? does not have jaws has bones, but not jaws has bones has jaws, but not bones.

that is wrong, its not thymus.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.