DENDROLOGY

Detailed explanation-1: -Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.

Detailed explanation-2: -Palaeobiology examines the fossil record to investigate evolution and ecology throughout the history of life on Earth, determining how the past has shaped present-day biodiversity.

Detailed explanation-3: -Paleobotany includes the study of terrestrial plant fossils, as well as the study of prehistoric marine photoautotrophs, such as photosynthetic algae, seaweeds or kelp. A closely related field is palynology, which is the study of fossilized and extant spores and pollen.