When the level of adh (antidiuretic hormone) increases, select one: a. more urine is produced. b. less urine is produced. c. the specific gravity of the urine decreases. d. more salt is secreted by the nephron?

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.