List three ways that people and families resemble each other

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.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur