Evolution Part I Test (Ev1-Ev9)

If Earth’s history is thought as a 24-hour day, humans would have appeared only during the last _____________ of that day.

• second

• minute

• hour

• half

The record of life that unfolded over four billion years and pieced back together through the analysis of fossils is known as this.

• Molecular Clock

• Geologic Time Scale

• Fossil Record

• Relative Dating

This technique can determine which of two fossils is older or younger than the other, but not their age in years.

• relative dating

• absolute dating

• molecular clocks

• none of these

Which of these are fossils? (check all that apply)

• A lizard trapped in amber

• A rock from deep below the sea floor

• Human footprints that were saved when the sand turned to stone

• The body of a baby mammoth frozen in a glacier.

• The bone of a recently killed elk

The geologic time scale divides Earth’s history into divisions . What factors are these based on? (check all that apply)

• geology

• evolution of life

• DNA sequences

• Species in the fossil record

• climate

How old is Earth?

• 2.2 billion years old

• 3.4 billion years old

• 4.6 billion years old

• 5.8 billion years old

Which of these formed during the Big Bang and are considered the the building blocks of matter? (Check all that apply)

• quarks

• oxygen

• hydrogen

• nuclei

• electrons

Which of these were the main gasses that made up the early atmosphere (check all that apply)

• oxygen

• methane

• ammonia

• water vapor

• carbon dixode

Where did most of the gasses that formed the early atmosphere come from?

• volcanos

• comets and asteroids

• oceans

• chemical reaction on Earth's crust

Stars such as red giants fused hydrogen and helium nuclei to form which of these elements?

• carbon

• calcium

• quarks

• methane

• ammonia