paleozoic

paleozoic — adjective

  • paleozoicpositive
  • more paleozoiccomparative
  • most paleozoicsuperlative

1. relating to a geologic era that lasted from roughly 541 to 252 million years ago

1.形容詞C2
釋義

relating to a geologic era that lasted from roughly 541 to 252 million years ago, during which most known types of animals without backbones evolved in the oceans, and the first forests, amphibians, and reptiles appeared on land.

例句

The museum's fossil hall displays specimens from the Paleozoic era, including trilobites and early fish.

collocation: Paleozoic era

Geologists examine Paleozoic rock layers to understand how early life forms spread across the planet.

collocation: Paleozoic rock layers

用法筆記

Usually capitalized because it forms part of the name of a specific geologic time unit (the Paleozoic Era). The word can also be used as a noun meaning 'the Paleozoic Era' (e.g., 'fossils from the Paleozoic').

常見錯誤

❌Dinosaurs lived during the Paleozoic era.
✅Dinosaurs lived during the Mesozoic era, which came after the Paleozoic.
💡The Paleozoic ended before the first dinosaurs appeared; dinosaurs belong to the Mesozoic era.
❌The Paleozoic era happened before the Cambrian period.
✅The Paleozoic era began with the Cambrian period.
💡The Cambrian is the first period of the Paleozoic, not a separate earlier time.