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8.5
science flash cards
| Term | Definition |
|---|---|
| short-day plant | when nights are longer than the critical length |
| long-day plant | when the nights are shorter than the critical length |
| day -neutral plant | plants that not get effected by darkness or light |
| critical night length | the length of the night that decides whehter it will bloom |
| dormancy | a period where a plants growth stops |
| annual | a plant that cycles in one season |
| biennial | growth of roots within first yer |
| perennial | plants that flower every year |