AP BIOLOGY

Detailed explanation-1: -What is a fossil? Fossils are the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers. Fossils also include any preserved trace of life that is typically more than 10 000 years old.

Detailed explanation-2: -Fossils are the geologically altered remains of a once-living organism and/or its behaviour. There are two main types: body fossils represent all or part of the organism’s body, and trace fossils show evidence of the organism’s behaviour.

Detailed explanation-3: -fossil, remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth’s crust. The complex of data recorded in fossils worldwide-known as the fossil record-is the primary source of information about the history of life on Earth.

Detailed explanation-4: -Fossils are preserved parts of dead organisms. This is the impression of once-living organisms on the earth. Examples of fossils are animal bones, shells, stone imprints, cast molds, etc. Paleontology is the study of fossils. It tells about the age, formation method, and evolutionary significance of fossils.

Detailed explanation-5: -Fossils are the remains or traces of ancient life that have been preserved by natural processes. Examples of fossil include shells, bones, stone imprints of animals or microbes, exoskeletons, objects preserved in amber, petrified wood, coal, hair, oil, and DNA remnants.