Chapter 12 2023

Amber

• a hard substance formed from fossilized resin
• The structure of a living thing
• removed from existence

Anatomy

• a hard substance formed from fossilized resin
• The structure of a living thing
• removed from existence

Extinct

• a hard substance formed from fossilized resin
• The structure of a living thing
• removed from existence

Fossil

• the remains of an organism preserved in earth or rock
• a scientist who studies fossils
• a common way fossils form

Paleontologist

• the remains of an organism preserved in earth or rock
• a scientist who studies fossils
• a common way fossils form

permineralization

• the remains of an organism preserved in earth or rock
• a scientist who studies fossils
• a common way fossils form

Resin

• sticky substance secreted by plants after a wound
• small rock particles
• used to estimate the time when an organism lived

sediment

• sticky substance secreted by plants after a wound
• small rock particles
• used to estimate the time when an organism lived

Relative dating

• sticky substance secreted by plants after a wound
• small rock particles
• used to estimate the time when an organism lived

Radiometric dating

• used to determine a fossil's actual age
• atoms of an element that have the same number of protons but a different number of neutrons
• amount of time it takes for half of the isotope in a sample to break down