7th - History of Life on Earth

Which time period in Earth's History lasted from 540 mya - 248 mya

time it takes for half of an unstable atom to decay

the calendar that scientists use to outline the history of the earth 

estimating the age of a rock based on where it is found in the rock layer (bottom vs. top) 

Which of the following is NOT a primate?

The history of life provided by fossils

Which atom do we use in order to figure out the age of fossils? 

What is the half-life of Carbon?

Which time period in Earth's History lasted from 4.6 bya - 540 mya

When an organism is more adapted to its environment and is more likely to survive: 

Which time period in Earth's History is when oxygen first appeared on earth? 

The earth is made up of larger outer plates that slowly move

Which time period in Earth's History has a name that means "middle life" 

Solid remains or imprints of once living organisms 

What is the name for a modern day human? 

Hominid species that created the first known human art

Which time period in Earth's History can be referred to as "The Age of the Mammals"? 

According to Science, where did human evolution begin? 

estimating the age of a fossil by looking at its unstable atoms 

The Galapagos islands are located off of the western coast of: 

Which time period in Earth's History lasted from 65 mya - now

Which time period in Earth's History has a name that means "ancient life" 

Which time period in Earth's History is when the first complex ocean life appeared?

What was needed in order to create the first amino acids? 

What is the closest modern day animal relative of a human? 

when many species dies out completely 

A fossil example of this hominid species was named "Lucy"  

Hominid species better known as "cavemen" because of their large eyebrow ridges 

Charles Darwin wrote a book called the Origin of ________________ in 1858

when one species dies out completely 

Which of the following is NOT an example of a fossil? 

According to Science the Earth is approximately _________________ years old

What term means to "walk upright on two legs" 

Scientists that study human remains and the history of humans on Earth 

Which time period in Earth's History lasted from 248 mya - 65 mya

Which time period in Earth's History has a name that means "recent life" 

What protects the Earth from meteorites? 

What was the ocean (that surrounded the single landmass) during the time of the dinosaurs? 

Which time period in Earth's History is was the longest? 

Which time period in Earth's History can be referred to as "The Age of the Reptiles"? 

term that refers to humans or human like species 

Which time period in Earth's History can be referred to as "The Age of the Dinosaurs"? 

Earth plates slowly move about _______________ each year

The ozone layer ( that protects the earth from UV rays from the sun) is made up of: 

Hominid species that built fires, wore clothing and made tools

Which characteristic of humans makes them unique (special) compared to other primates

the oldest hominid species (that had large brains)

a group of organisms that can mate with one another (to produce fertile offspring) 

What was the very first organism that used photosynthesis to create oxygen? 

a trait that helps an organisms to survive and reproduce

Which time period in Earth's History is when the first life appeared?

Earth's very first pollution

Which of the following animals were named after Charles Darwin? 

How many species have scientists been able to identify? 

Name of the large single landmass that existed around 300 million years ago

Which of the following was NOT studied by Charles Darwin on the Galapagos Islands?

Scientists that use fossils to learn about the history of life on Earth 

Charles Darwin sailed around the world on the H.M.S. ________________: 

What was Charles Darwin's job as he traveled around the world on his ship? 

What is the half-life of Uranium? 

When a population of species changes over time