History of Life and Earth

Earth has fewer impact craters on continental crust due to

• craters didn't hit Earth
• seafloor spreading
• erosion and weathering
• the moon

The calculation of the age of an object by measuring the proportions of the radioactive isotopes of certain elements is 

• relative dating
• radiometric dating
• uranium dating
• isometric dating

Tags

NGSS.HS-PS1-8

A radioisotope's _________________ is the time it takes for one half of the mass of the radioisotope to change into another substance.

• half-twist
• day-life
• half-life
• change over

Tags

NGSS.HS-PS1-8

Which of the following is a requirement for all life on earth?

• Movement
• Use of water
• Eating plants
• Sunlight

Which type of cell came first?

• Eukaryotic
• Prokaryotic
• Protists
• Both Eukaryotic and Prokaryotic were about the same

When did the Earth and Moon form?

• 3.5 billion years ago
• 4.54 billion years ago
• 543 million years ago

Tags

NGSS.HS-ESS1-6

Earth formed 4.54 billion years ago, but life did not show until...

• 3.8 billion years ago
• 1 million years ago
• 200,000 years ago
• 4.5 billion years ago

Tags

NGSS.HS-ESS1-6

Which method of determining age is more specific?

• Relative Dating
• Radioactive Dating

What was the only life present during early Earth?

• microbial
• small multicellular
• plant

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
• the temperature of Earth increased

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS4-2