Earth's early life forms were marine organisms.Life moved to the land during the
A)Cambrian period.
B)Ordovician period.
C)Silurian period.
D)Triassic period.

Question

Quizplus · Accepted Answer

The Silurian period is when the first terrestrial (land-dwelling) animals evolved, including plants, arthropods (such as spiders and scorpions), and early vertebrates like fish that had developed adaptations to breathe air. However, the first marine organisms to colonize land were likely fungi and plants that appeared even earlier, during the Ordovician period.

Earth's Early Life Forms Were Marine Organisms