Episode 1: Characteristics of organisms.

Autotroph

an organism that is able to capture energy from sunlight or chemical and use it to produce its own food. pg 677

heterotroph

An organism that cannot make its own food.pg 685

unicellular

Made of a single cell.pg 696

Multicellular

Consisting of many cells.pg 689

prokaryotic

An organism whose cells do not have an enclosed nucleus, such as bacteria.pg 692