Elements in Living Things

What is the main ingredient mentioned as essential for life?

• Nitrogen

• Water

• Carbon

• Phosphorus

How long does the host suggest cooking life in the oven?

• 3 million years

• 30 million years

• 3 billion years

• 30 billion years

What percentage of living matter is made up of just four chemical elements?

• 50%

• 75%

• 97%

• 100%

What four chemical elements constitute 97% of the mass of all living matter?

• Carbon, Oxygen, Iron, Calcium

• Oxygen, Carbon, Hydrogen, Nitrogen

• Sodium, Potassium, Chlorine, Magnesium

• Sulfur, Phosphorus, Silicon, Copper

True or False - Life create an infinite 'menu' from a very small limited set of ingredients

• True

• False

Which element is mentioned as being more abundant in Earth's crust than carbon?

• Oxygen

• Hydrogen

• Silicon

• Calcium

What unique property of carbon makes it the primary element for building complex life forms on Earth, unlike silicon?

• Carbon is more abundant in Earth's crust than silicon.

• Carbon is lighter than silicon, making organisms more agile.

• Silicon is toxic to living organisms.

• Carbon can form a wider variety of complex bonds and shapes with itself and other atoms.

What happens to the human chemical formula as we age?

• It changes with us

• It becomes simpler

• It remains the same

• It disappears

How much can the ingredients for one life fetch in the market?

• $2

• $20

• $200

• $2000

What does the host suggest about our value over time?

• It decreases

• It stays the same

• It increases

• It fluctuates