Life Science, Wednesday Bell Ringer, 12.20.17

The Earth is about this old...

• 10 billion years
• 4.6 billion years
• 3.8 billion years
• 4.4 million years

Tags

NGSS.MS-ESS1-4

Humans and dinosaurs lived together. 

• True
• False

We have found fossils of all of the species. 

• true
• false

Tags

NGSS.MS-LS4-1

Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

What allowed larger, more complex life to form during ancient Earth?

• oxygen in the oceans and atmosphere
• carbon dioxide increased in the atmosphere
• high energy, inorganic compounds

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS4-2

What gas was necessary for complex (eukaryotic) life to evolve?

• Carbon dioxide
• Oxygen
• Dihydrogen monoxide
• Methane

The earth was once and probably more than once covered in ice. Where did life survive during "Snowball earth"?

• In the water under the ice
• It lived in the ice 
• Meteors brought life to earth after it ended
• Life completely went extinct

TRUE OR FALSE: Life started on Earth 3.5 billion years ago.

• True
• False

A _________ is evidence of an organism that lived long ago.

• strata
• fossil
• half-life
• radioactive isotope 

Tags

NGSS.MS-LS4-1

The atmosphere in ancient Earth was composed of: 

• mostly carbon dioxide & little to no oxygen
• mostly oxygen & nitrogen 
• mostly water vapor & oxygen 
• mostly sulfur & little to no oxygen  

Tags

NGSS.HS-ESS1-6