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.
(Answer #1). Fossils are formed when the body of a living organism that has died is covered and protected from decay by microorganisms and attacks by predators. Usually fossils are formed when a layer of sediment covers dead plants, animals and microorganisms.Answer #1). Fossils are formed when the body of a living organism that has died is covered and protected from decay by microorganisms and attacks by predators. Usually fossils are formed when a layer of sediment covers dead plants, animals and microorganisms.