¿Qué ocurriría si hubiese alguna alteración en algunos de los componentes químicos del ADN en un organismo?

answer; i believe that the best answer is (secondary cardiac arrest due to

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

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.