Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system
Answer: Nucleus Acids
Explanation: Nucleic Acids hold and store DNA (think Nucleic/Nucleus)
Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
Answer:
In plant cell there present an important organelle, chloroplast that converts sunlight energy into energy during light and dark reaction.
