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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To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations
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Which of the following is used as evidence in supporting the idea that life changes over time?
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