It is the era which occurred about 550 million years ago when animal life exploded onto the scene, here on planet Earth.
The Ediacarian fauna are from the Cambrian Explosion. The Cambrian Explosion occurred in the Cambrian period. The Cambrian period was part of the Paleozoic era.
The Cambrian Period is divided into three eras: the Early Cambrian, Middle Cambrian, and Late Cambrian. These eras refer to different stages or time intervals within the Cambrian Period, which lasted from about 541 to 485 million years ago. Each era is characterized by different geological and biological events, including the diversification of early animal life.
The Cambrian Period was from about 543 to 490 million years ago. It is the earliest period in the Paleozoic ("old life") Era. Until relatively recently paleontologists thought this marked the beginning of life. Primitive life is now know from the Pre-Cambrian Eon.
The first period in the Paleozoic Era was the Cambrian.
there were germs growing
No. In the Bambrian Era, dinosaurs had yet to evolve.
algae
Yes, the Cambrian Period was before the Mesozoic Era
Jellyfish and other multi-cellullar organisms evolved during the Cambrian era.
The weblink below is a good start.
The first part of the Paleozoic era is the Cambrian period, lasting from approximately 541 to 485 million years ago. It is known for the sudden appearance of diverse marine life forms in the fossil record, marking the beginning of the explosion of life known as the Cambrian explosion.
The first vertebrates evolved during the Cambrian Explosion about 525 million years ago. The Cambrian Explosion, obviously, occurred during the Cambrian period. The Cambrian period was part of the Paleozoic era.