Geologic Time Review

Which one is a non-renewable resource

New species are created from an existing species

How did the Earth change 2.5 billion years ago when organisms used photosynthesis to make food

The relative age of a rock is 

What did not cause a mass extinction?

Can replace itself quickly, sustainable energy

Who is the father of evolution?

All of Earth's plates are always moving is what theory?

Fossils that were widely distributed and only lived a short period of time are called

Resources that can run out, that have been used faster than the rate at which they were formed 

The geologic time scale is a record of 

The law of superposition states that in horizontal rock layers of sedimentary rock, each layer 

Radioactive decay works best with what type of rocks

Becomes a fossil when minerals replace all or part of an organism

Earth's atmosphere, oceans, and continents began to form during which time

pressures in the environment favor the survival of a species with certain traits

The process in which all living things have changed over time

This is a record of the life forms and  geologic events in Earth's history

About 260 million years ago, Earth's continents moved together forming this super-continent 

Radioactive decay occurs when atoms of an unstable element

In what type of rock are index fossils usually found?

During Cambrian explosion during Paleozoic era, the new life forms that evolved

What do most scientist think caused the mass extinction of dinosaurs at the end of creatceous

The Cenozoic era is often called the Age of

Which best describes how ice cores are important to the study of geologic history

Radioactive dating enables geologists to determine 

a gap or missing layer in the rock record

What is a paleontologist?

A Change in genetic make-up

Which of the following is a renewable resource

What is the age of the intrusion of igneous rock in relation to the rock it passes through

Plates that come together to create mountains

Why are index fossils useful to geologists?

The Mesozoic Era is divided into the Triassic, the Jurassic and the Cretaceous.  This is called

Fossil record shows how life changed over time, for example older rocks contain fossils of

The Paleozoic, Mesozoic and Cenozoic are divisions in the geologic time scale called

A type of organism that no longer exists on Earth is said to be 

Breaking down of rocks into sediment is called

All continents were all once a part of a huge land mass and broke apart and drifted