| A | B |
|---|
| estivate | summer resting state |
| hibernate | winter resting state |
| nocturnal | animals active at night |
| diurnal | animals active during the day |
| lunar | tidal rhythms controlled by the moon |
| migration | traveling from one place to another |
| Circadian rhythms | patterns that happen every 24 hours |
| biological clock | a' timer"that is inside an organism |
| annual rhythms | rhythms that happen with the seasons |
| daily rhythms | rhythms that occur day and night |
