What is an organisms niche determined by?

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.

Which measure of an earthquake depends on how close you are to the focus?

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо