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Detailed explanation-1: -The correct option is A paleontology. The preserved traces of living organisms are known as fossils. The branch of biology that deals with the study of fossils is called paleontology.

Detailed explanation-2: -Palaeontologists actually study all fossilised past life. That can include everything from corals and shellfish to fishes and mammals. It’s not just animals either, palaeontologists also study ancient plants.

Detailed explanation-3: -Paleontology is the study of the history of life on Earth as reflected in the fossil record. Fossils are the remains or traces of organisms (plants, animals, fungi, bacteria and other single-celled living things) that lived in the geological past and are preserved in the crust of the Earth.

Detailed explanation-4: -What is Paleontology? Paleontology is the study of ancient life, from dinosaurs to prehistoric plants, mammals, fish, insects, fungi, and even microbes. Fossil evidence reveals how organisms changed over time and what our planet was like long ago.

Detailed explanation-5: -So, the correct answer is ‘Palaeontology’