Paleontology

Definition

Paleontology is the scientific study of life in the geologic past based on fossil evidence. It helps scientists understand the evolution and interactions of ancient organisms.

5 Must Know Facts For Your Next Test

1. Paleontologists use fossils to study and date historical life forms.
2. Fossil records provide evidence for evolutionary processes over millions of years.
3. Paleontology integrates knowledge from biology, geology, chemistry, and ecology.
4. The field can be divided into sub-disciplines like vertebrate paleontology and invertebrate paleontology.
5. Techniques such as radiometric dating are crucial for determining the age of fossils.

Review Questions

Related terms

Fossil: The preserved remains or impressions of ancient organisms typically found in sedimentary rock.

Radiometric Dating: A method used to determine the age of materials based on the decay rate of radioactive isotopes.

Evolution: The process through which species undergo genetic change over time, often resulting in diversification and adaptation.