Stromatalite which are made by cyanobacteria are the oldest fossils and date back to over 3.2 billion years ago.
Multicelled creatures did not evolve until the Ediacara period some 600 million years ago.
Trilobites start to appear in the fossil record during the early Cambrian period about 540 million years ago.
Plants came first before animals.
Plants came first before animals.
Ammonites appeared during the Devonian period, around 400 million years ago, while trilobites first appeared during the Cambrian period, approximately 540 million years ago. Therefore, ammonites came into existence after trilobites.
Trilobites are older than ammonites, with trilobites appearing first in the fossil record about 521 million years ago during the Cambrian period, while ammonites appeared later, around 400 million years ago during the Devonian period. Scientists determine the age of fossils based on their position in rock layers and radiometric dating techniques.
Plants came first in the evolution of life on Earth, appearing before animals.
Plants were first.
According to the bible, animals came first. Not according to chapter 2. in chapter two of Genesis man is made and then animals but in chapter 1 it says Animals and then man. [;
nor plants or animals. bacteria came first
The hen's egg came first because other animals layed the egg!!!!
The major croup that came before animals arrived on this planet would be the Dinosaur group these animals were first on the planet known to man.
The bible does not mention which ones went first or came out first.
The first animals were strange sea animals. Dinosaurs didn't evolve until hundreds of millions of years afterward.