Question

What is the liver an example of?

a. a cell
b. a tissue
c. an organ
d. an organ system
A heterotroph is an organism that
a. is a carnivore.
b. makes its own food.
c. eats only other species.
d. gets food from outside itself.

Answer 1

The liver is c. an organ system, and a heterotroph is an organism that d. gets food from outside itself.