Which statement best summarizes the primary role of bacteria in a forest ecosystem?

Which of the following is true for a cell that has a flagellum? it cannot be a part of a multicellular organism. it cannot be a part of the oldest known fossil. it cannot have a cell membrane. it cannot have ribosomes.

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis