7 words in this vocabulary list
noun the scientific study of ancient life, especially through the examination of plant and animal fossils
noun a fossilized mass of fecal matter
adjective pertaining to or resembling fecal matter
noun a fossilized excrement
noun a smooth, rounded stone that is swallowed by some animals to aid in the digestion process
noun A scientist who studies fossils to learn about organisms that lived in the past
adjective relating to the study of ancient life through fossils
noun a geological era that began 65 million years ago and continues to the present, characterized by the development of mammals and birds