For a basic 500 square feet project in zip code 47474, the benchmark cost to Insulate Your Home ranges between $0.63 - $1.43 per square foot* . To estimate costs for your project: 1.
So in answer to your question, the oldest fossils are stromatolites, and the life forms that created those fossils were prokaryotic bacteria and algae like cyanobacteria.
The fossils of most primitive animals and plants are preserved in the rocks , which were formed during the early part of the geological period of the earth while sedimentary rocks which were formed during later geological periods contain remains of more and more advanced forms of plants and animals indicating that more and more complicated and ...