Organisms that are the same species must also belong to the same what?

The same genus because if they are the same animal then they share all classifications, so is they are the same animal they share every part of the binomial nomenclature.

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the   grasshopper had to have consumed a plant with 5,000 calories of energy

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.