The outermost structure of the bacteria cell is the , which comes in contact with the environment.

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

What two fields of study provide the core information that is used to classify organisms?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.