The earliest fossils represent plants.
Some people who reject the biblical account of Creation think that living things went though gradual changes (biological evolution) from one kind to another. In order to support their beliefs, they find fossils that, when lined up, seem to show a continuous change from simpler organisms to a much larger and more complex one. But fossils for the most part do not show gradual changes from one kind to another. They are clearly one kind or another not something in between. For example; fossils of mice exist and fossils of bats exist, but no fossils of half-winged, mouse like creatures have been found.
Fossils are most likely to be found in sedimentary rock.
sedimentary rocks
=A Microbiologist studies microscopic organisms.=
According to experts, the best environments to search for fossils are places near rocks or deserts. Most fossils are preserved in these areas.
Another kind of fossil is a mold or cast fossil, which forms when an organism's remains decay and leave an impression in the surrounding sediment that is later filled with minerals. Another type is a trace fossil, which is evidence of an organism's activity, like footprints or burrows, preserved in rock.
Sedimentary rock is the most common type of rock that contains fossils. Fossils are formed when the remains of plants and animals are buried in sediment, which hardens into sedimentary rock over time, preserving the fossilized organisms.
A prehistoric worm burrow is called a trace fossil. Trace fossils are preserved evidence of the activity of organisms, such as burrows, footprints, or feeding marks, rather than the remains of the organisms themselves.
The earliest life forms on Earth were single-celled microorganisms like bacteria and archaea. These simple organisms emerged around 3.5 to 4 billion years ago in the ancient oceans of the planet. They played a crucial role in shaping the environment and paving the way for more complex life forms to evolve.
Dinosaur tracks are trace fossils
They are presumably smaller
There are many different kinds of tigers found around the world. The biggest type of tiger is the Siberian tiger.
Most fossils are preserved in sedimentary rocks.
Clastic sedimentary rocks, like conglomerate and sandstone.
The kind of rock is sedimentary.
Some people who reject the biblical account of Creation think that living things went though gradual changes (biological evolution) from one kind to another. In order to support their beliefs, they find fossils that, when lined up, seem to show a continuous change from simpler organisms to a much larger and more complex one. But fossils for the most part do not show gradual changes from one kind to another. They are clearly one kind or another not something in between. For example; fossils of mice exist and fossils of bats exist, but no fossils of half-winged, mouse like creatures have been found.
A palaeontologist studies fossils.