Final answer:
1. Paleontology is the study of ancient life forms based on fossils and other remains. Paleontologists use fossils to observe and explain how life evolved on Earth and how species interacted with each other and the environment.
Step-by-step explanation:
The definition of paleontology is:
1. Paleontology is the study of ancient life forms based on fossils and other remains. Paleontologists use fossils to observe and explain how life evolved on Earth and how species interacted with each other and the environment.
They study a variety of life forms, from plants and fungi to vertebrate animals like fishes, amphibians, reptiles, birds, and mammals.