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.HS-ESS1-6

The earliest form of life known on Earth was...

• Leafy Plants
• viruses

• autotrophic prokaryotes

• heterotrophic prokaryotes

Cyanobacteria changed the atmosphere by adding oxygen to the air from the process of

• photosynthesis

• cellular respiration

• decomposition

• nitrogen synthesis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Early Earth had free oxygen

• TRUE

• FALSE

• No one can ever know

Tags

NGSS.HS-ESS1-6

What is an example fossil?

• a preserved skeleton

• an imprint of a leaf

• a shell

• all of these

Tags

NGSS.MS-LS4-1

Who did the experiment that tried to show that organic building blocks of life could be created from toxic chemicals

• Oparin

• Miller and Urey

• Darwin

• Lamark

What is a heterotroph?

• makes their own nutrition

• absorbs nutrients from dead or decaying objects

• gets nutrients from a different, outside source

• chemicals are the energy source

Tags

NGSS.HS-LS2-6

Endosymbiosis theory says

• eukaryotes eat prokaryotes

• prokaryotes absorbed mitochondria and chloroplasts

• organisms help each other

• oxygen is made during photosynthesis

Tags

NGSS.HS-LS4-1

Radioactive dating measures

• the relative age based on where it is in the earth

• the amount of decaying atoms in a sample that gives us a more exact age

• the amount of spider venom needed to be spiderman

• how the hulk was able to not die in a radioactive event

Tags

NGSS.HS-PS1-8

Mitochondria and chloroplasts have their own DNA

• TRUE

• FALSE