Comparative anatomy would use to provide evidence for evolution.

-none of the others
-fossils in various layers
-bones (homologous structures)
-sections of DNA

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

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 of the following typically characterizes a tropical rainforests