Pluto is not considered a planet due to all the reasons you stated above
The word that signifies "within the cell" which alludes to the signals moving from one place then onto the next inside the cell is the term "INTRACELLULAR".
Both answers are A. If not im sorry
False. It is not a natural process. Humans choose the desirable features of a particular dog and selectively breed it. These dogs have not adapted to the environment. This selection is mostly based on cosmetic reasons or other desirable features. These dogs prob wouldn't be able to survive in the wild