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| a microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane, the basic structural unit of all organisms |
| any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon |
imitation
in psychology, the reproduction or performance of an act that is stimulated by the perception of a similar act by another animal or person. Essentially, it involves a model to which the attention and response of the imitator are directed
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