FOSSILS
Understanding Main Ideas
Fill in the blanks in the table below.
Type of Fossil
Description
Fossils in which _______ replace all or part of an organism
________________
A hollow area in sediment in the shape of an organism
_________________
A solid copy of the shape of the organism
An extremely thin coating of _______ on rock
Evidence of the _________ of ancient organisms
_______________
Remains of organisms in amber, tar or ice
Describe how a mold is related to a cast.
What can a paleontologist tell from fossil footprints of a dinosaur?
What does the fossil record reveal about the evolution of life on Earth?
Building Vocabulary
Match each term with its definition by writing the letter of the correct term in the right column on the line beside the definition in the left column.
___ no longer and never again existing as an organism on Earth a. Evolution
_____ the preserved remains or traces of living things b. Sedimentary rock
____ the process by which all the different kinds of living c.extinct
things have changed over long periods of time
_____ the type of rock that is made of hardened sediment d. Paleontologist
____ an extremely thin coating of carbon on rock e. Fossils
_____ a scientist who studies fossils f. Carbon film