One relationship between organisms is that of predator-prey. Which of the following is the best description of a predator?
an organism that eats another organism
an organism that participates in symbiosis
an organism that is eaten by another organis
an organism that benefits at the expense of another organism
an organism that eats another organism
an organism that participates in symbiosis
an organism that is eaten by another organis
an organism that benefits at the expense of another organism