| Answer | Crossword Clue |
|---|---|
| mesozoic | the Mesozoic Era or group of systems |
| cenozoic | the Cenozoic Era or group of systems |
| paleozoic | Of, relating to, or denoting the era between the Precambrian eon and the Mesozoic era |
| triassic | Of, relating to, or denoting the earliest period of the Mesozoic era, between the Permian and Jurassic periods |
| secondaries | The Secondary or Mesozoic era |
| ensemble | A group of similar systems, or different states of the same system, often considered statistically |
| ensembles | A group of similar systems, or different states of the same system, often considered statistically |
