Question

cambrian web quest
what were the predominant plants of the cambrian world?
one - celled algae
flower bearing
cone - bearing
kelp

Explanation:

During the Cambrian period (about 541 - 485 million years ago), the predominant plants were one - celled algae. Flower - bearing plants (angiosperms) evolved much later (around 130 million years ago). Cone - bearing plants (gymnosperms) also evolved later than the Cambrian (around 319 million years ago). Kelp is a type of seaweed, but one - celled algae were more predominant in terms of plant - like organisms in the Cambrian.

Answer:

one - celled algae