Final answer:
Dehiscence is found in the middle of the alpha index in biology textbooks.
Step-by-step explanation:
The subject of this question is Biology, and the grade level is High School.
Dehiscence refers to the splitting or opening of a plant structure, such as a fruit, seed pod, or anthers, to release its contents or allow for dispersion. In the alpha index of a biology textbook or reference, you would find dehiscence in the middle. This is because it falls alphabetically between other terms, usually starting with 'D' and preceding terms starting with 'E' or 'F'.
For example, if you were looking for information on dehiscence in the alpha index of a biology textbook, you would find it listed after terms like 'decomposition' and before terms like 'ecological succession'.