The answer above is wrong. I took the test and the correct answer is C. a potato plant that is modified to resist pests
Similarities between the two objects.
Sunlight ( the source of energy), air (composed mainly of oxygen and carbon dioxide), water, food (nutrients), temperature (a habitat with a right temperature for different kind of organisms).
To separate each species into their own classes to better study them.
The answer is 'The Biosphere.'
