What is bacteria?
building blocks of organisms related organisms single cell microorganisms occurs over a wide range antigens that cause allergy smallest organism group most similar group most diverse organism group
A B C D E F G H
Earth is a world of water.
Bacteria is the most diverse and abundant group of organisms in the world.
What is bacteria? (A) building blocks of organisms (B) related organisms (C) single cell microorganisms (D) occurs over a wide range (E) antigens that cause allergy (F) smallest organism group (G) most similar group (H) most diverse organism group