Biology, 19.01.2020 02:31 sk9600930

Which of the following is used as evidence in supporting the idea that life changes over time?

a. the time period in which an embryo develops

b. the similarities in the body systems such as the nervous and circulatory systems

c. the existence of homologous structure

d. the big bang theory

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Which of the following is used as evidence in supporting the idea that life changes over time?