| BROODING | The ___ period is from hatching until supplemental heat is no longer needed |
| SHUCKS | Empty skins left from hatching buzzers (6) |
| GESTATION | The ___ period is 15 months and the female usually gives birth to only 1 calf |
| INCUBATION | The ___ period is 65-115 days, depending on the species |
| SELLSTHEDUMMY | Faints on the pitch, we hear, and in the shop? Window dresser does it when model is no longer needed! (5,3,5) |
| REDUNDANT | Silly dunderhead; the worker is no longer needed (9) |
| CRETACEOUS | The ___ period was the last period of the Mesozoic era, between the Jurassic and Tertiary periods |
| ROYAL | The _, period medical drama which ran from 2003 to 2011 (5) |
| PTOLEMAIC | The ___ Period (era of Greek-ruled Egypt from 305 BCE to 30 BCE)(POLICE MAT anagram) (9) |
| MIDWIFE | Call The ___, period drama set in the late 1950s following a group of nurses who deliver babies (7) |
| REGENCY | The ___, period in British history between 1811 and 1820 (7) |
| DOLDRUMS | The _, period of stagnation (8) |
| DITCH | Get rid of things no longer needed, in the main (5) |
| POME | Fruity goddess's no longer needed on a piano show, which is great! (4) |
| BREAKOFF | Interrupt to announce the rest period is cancelled (5,3) |
| INTERMISSION | Break during school period is terribly noisy, for the most part |
| IODISE | During the period is expected to treat with a halogen element (6) |
| ALARM | Fear it means the rest period is over (5) |
| SECONDS | ___ pendulum is one whose time period is 2 seconds (7) |
| GRADEA | On the radio, dreich period is top-rated (5,1) |
