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| The first stage of food processing in animals; the act of eating. |
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| Body symmetry in which a central longitudinal plane divides the body into two equal but opposite halves. |
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Definition
| Lack of balance or symmetry |
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Definition
| Animals in which the blastopore becomes an anus. |
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Definition
| Symmetry in which the body is shaped like a pie or barrel(lacking a left and right side) and can be divided into mirror-image halves by any plane by its central axis. |
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Definition
| Animals in which the mouth arises from the blastopore. |
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Definition
| The entire structure of an animal, its organ systems, and the integrated functioning of its parts are known as its body plan. |
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Definition
| Pertaining to the top of an animal with radial or bilateral symmetry. |
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Definition
| Pertaining to the underside, or bottom, of an animal with bilateral symmetry. |
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