The "Age of Mammals"

The Approximate Age of the Earth

Which best describes why we can find aquatic fossils in rock high up in mountain ranges?

The first four billion years of Earth's history is often termed the ______

Organisms that live primarily in the sea

Organisms that live primarily on land

Which of the following was a likely reason for the mammalian success after the extinction of the dinosaurs?

Terrestrial vertebrate animals with a body plan involving four limbs used for locomotion

Modern day birds evolved most directly from which group of animals?

A time period in which large amount of plant matter from swampy environments fossilized and produced most of the modern day coal deposits

T/F: Most organisms that have died in the past have become fossils

Known as "The Great Dying". It was the largest mass extinction in Earth's history

The extinction event that led to the end of dinosaurs

The impact crater from the K-T meteor impact event was found in...

Which appears in the fossil record first?

Which of the following vertebrates appear first (is the oldest) in the fossil record?

Early Earth's atmosphere lacked oxygen. What biological process produced most of the oxygen gas that eventually filled the atmosphere?

In which geologic era do we see evidence of the first modern humans?

In which geologic era did mammals first appear in the fossil record?

Often referred to as the first paleontologist because he was the first to identify fossils (tongue stones-shark teeth)

Which of the following best describes the law of superposition?

An element found at the K-T boundary that revealed that the Earth was hit by a meteor.

The scientist(s) that hypothesized that dinosaurs went extinct due to a meteor impact

The totality of fossils both discovered and undiscovered

What were the first terrestrial organisms, according to the fossil record?

What were the first terrestrial animals, according to the fossil record?

When was the K-T Mass Extinction?

T/F: The Earth's climate is warmer now than during the time of dinosaurs

Bacteria are...

Which of the following is NOT a fossil?

A period of time in which large amounts of water is contained within glaciers and ice sheets on land

A period of time in which the fossil record shows a significant amount of aquatic invertebrate diversity in the animal kingdom. It signifies the beginning of the Paleozoic

The study of remains of ancient life

The evolution of multicellularity occurred during the

The era that is marked by significant ice ages

The molecule in the atmosphere that blocks UV light and ultimately made life on land possible

The scientist credited with discovering plate tectonics

A period of time in which the majority of species die off

Radiometric dating would be a form of

The era that shows evidence of the first tetrapods to become terrestrial

T/F: Changing climates, sea levels, and atmospheric gas concentrations all played a role in determining the evolution of life on Earth.

How many mass extinctions have occurred over Earth's history?

Current evidence suggests that feathers first evolved in...

Mammals evolved from a group of reptiles known as the _____

Animals with a backbone

You find a fossil that is in a rock layer, but you can't radiometrically date it. You do know that a layer above it has been dated to 45 million years old, so you conclude that the fossil must be older than that. This is a form of _____ dating