Fossil Record

The arrangement of things in the order that they occurred is called ______.

• chronological order

• alphabetical order

• random order

• reverse order

The quality or state of having many different forms, types, ideas, etc., is known as ______.

• diversity

• uniformity

• monotony

• sameness

The permanent disappearance of a species from Earth is referred to as ______.

• extinction

• evolution

• migration

• adaptation

The mineralized remains of organisms and the rock layers in which they are found, showing when and where long-dead organisms lived and how their bodies were structured, is called the ______.

• fossil record

• geological survey

• mineral deposit

• archaeological site

The mineralized remains of organisms, showing how long-dead organisms lived and how their bodies were structured, are known as ______.

• fossils

• minerals

• sediments

• artifacts

The scientific law that states fossils located in deeper sediment layers are older than ones deposited in layers closer to the surface is called the ______.

• law of superposition

• law of fossil succession

• law of original horizontality

• law of cross-cutting relationships

The formation of fossils as stone replaces decaying tissues is known as ______.

• petrification

• fossilization

• carbonization

• mineralization

The technique used to determine how old a rock is by analyzing the amounts of a radioactive isotope and its decay products in the rock is called ______.

• radioactive dating

• carbon dating

• fossil dating

• stratigraphy

Layers of rock that are successively deposited on top of one another and are distinguishable from one another based on their mineral contents are called ______.

• sedimentary layers

• igneous layers

• metamorphic layers

• crystalline layers

A scientist who studies fossils to learn about the history of the Earth is called a ______.

• paleontologist

• geologist

• archaeologist

• biologist