Which stage of the human life cycle occurs first

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.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Which food could be transported in a galvanized metal container?