Which statement about bacteria is TRUE?

A) No bacteria can photosynthesize.
B) Bacteria are not important decomposers.
C) A large percentage of bacteria are pathogenic.
D) Bacteria are cellular and are sometimes classified as life forms.
E) Bacteria cannot convert atmospheric nitrogen into ammonia and then nitrates that can be used by plants.

Pathogenic

Capable of causing disease; refers to microorganisms or agents that can produce an illness when they invade a host organism.

Decomposers

Organisms that break down dead or decaying organisms, turning organic material into simpler substances and recycling nutrients in the ecosystem.

Photosynthesize

The process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose, using carbon dioxide and releasing oxygen.