What system did carlos linnaeus contribute to the science of taxonomy?
a: hierarchical classifications

b: binomial thought

c: monarchism

d: name justification

subject: life science

Regular or uniform type

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.

Your answer is going to be a. i know my biology