Contain a nucleus and other organelles that are bound by membranes.
Prokaryote
unicellular organism that lacks a nucleus
Examples of prokaryote
bacteria
multicellular
Consisting of many cells
unicellular
A single celled organism
Heterotroph
organism that obtains energy from the foods it consumes; also called a consumer
Autotroph
An organism that makes its own food
Saprotrophs
an organism that feeds on or derives nourishment from decaying organic matter.
Pathogens
organisms that cause disease
Protoctista
Organisms in this Kingdom can have animal-like or plant-like characteristics
Chloroplast
Site of photosynthesis
Viruses
tiny particles, smaller than bacteria and other pathogens, which must invade living cells in order to reproduce; when they invade, the cells are damaged or destroyed in the process releasing new particles to infect other cells
Saprotrophs
A category of organisms that obtain their nutrients from dead or decaying matter
Fungi
A specific group of saprotrophs, characterized as heterotrophic, that feed on decaying organic matter