History of LIfe on Earth

Which conditions necessary for life?

• presence of liquid water

• oxygen in the atmosphere

• electricity and buildings

• sunlight and moderate temperature

The early Earth's atmosphere lacks oxygen. True or False?

• True

• False

• maybe

Reorder the following: the beginning of life on Earth

• unicellular prokaryotes

• unicellular eukaryotes

• smaller plants and animals

• algae

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The changing of species over time

• mutation

• evolution

• extinction

• natural selection

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

What are stromatolites? Select all that apply.

• Coral-reef like mounds.

• Rocks

• Cyanobacteria

Tags

NGSS.MS-LS4-1

How did the cyanobacteria produce oxygen?

• By their fossils.

• By nutrients.

• By using photosynthesis.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What might you conclude if a fish fossil was found on top of a mountain in Kentucky?

• An Earthquake happened there.
• A Volcano erupted there.
• A forest covered that area for a while.
• A Sea once covered the area.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

According to scientists, both Earth and moon are...

• About 1.6 Billion Years Old
• About 4.6 Billion Years Old
• About 9.6 Billion Years Old
• About 14 Billion Years Old

Tags

NGSS.MS-ESS1-4

The current theory is that the ​ (a)   was formed from a ​ (b)   of a ​ (c)   planet with the early ​ (d)   .

• moon
• collision
• Mars-sized
• Earth

Tags

NGSS.MS-PS2-4

During the Cambrian Explosion, life forms generally were greater in ?

• offspring

• DNA contents

• shells and cartilage

• size and diversity

Tags

NGSS.MS-LS4-1