C cytosine need help with this problem

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.

What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content