What makes a planet living comparing earth and mars

" Earth is a living planet because it contains organisms. Life exists on Earth on the land, in the water, in the atmosphere. An organism that uses solar or chemical energy to produce "food" by making inorganic compounds into complex organic molecules. " (Quizlet)

Hope this helps

It may have some of the same features that it’s mother does but, it may have some of the same features that it’s father has as well.

The answer is constant.