Biology Proctored Exam Penn Foster With Complete Solutions.
Characteristics of living things-All are composed of cells-All obtain energy and use it to develop-Can sense changes in the environment and adjust in response to change-Exhibit modifications that represent adaptations to their environment Levels of Biological Organizationatom, molecule, organelle, cell, tissue, organ, organ system, organism How are organisms classified?on the basis of their evolutionary/genetic relatedness […]
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