DEFINITIONS AND KEY POINTS FOR OBJECTIVES
| TERMS | DEFINITIONS |
| Metamerism | Segmental arrangement of body parts in an animal is called metamerism. |
| Tagmatization | The specialization of body regions in a metameric animal is called tagmatization |
| Epitoky | The formation of a reproductive individual is called Epitoky. |
| Swarming | Release of many gametes by a large number of male and female at the same time is called swarming. |