Which structures are least likely to appear in the same eukaryotic cell? A. mitochondria and chloroplasts
B. ribosomes and mitochondria
C. a cell wall and chloroplasts
D. small vacuoles and a cell wall

D. small vacuoles and a cell wall

Explanation:

Small vacuoles are found in animals, while cell walls are found in plant cells. Although plant and animal cells are both eukaryotic, the question asks if they would appear in the same cell which they would not.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.