<span>The genetic term used to describe an observable trait is phenotype. More specifically phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.</span>
It goes up and up and up with the idea they have unlimited resources and no threat, so it is basically like nothing ever dying and the population just going up at a unlogical rate
Cell definition: the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
Cytology definition: the study of cells as fundamental units of living things.
Answer:
<u><em>Hey There the correct answer would be is D. Individual organisms</em></u>
hope it helps!