Organisms belonging to the kingdom eubacteria, kingdom archaebacteria, and some organisms in the kingdom protista are unicellular. what is it that places them into different kingdoms?

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

The body is protected against harmful flu viruses 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.