A population is a collection of all the types of organisms in an area. Please select the best answer from the choices provided
ОТ
OF

Were is the question

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.

Ecological footprint is determined by measuring carbon dioxide emissions for a given region.

Sorry  i don't understand can you rephrase that