Life Requires Free Energy

Mr. Anderson discusses the concept of free energy, its importance for life, and how it is derived from the sun. He explains metabolism, focusing on glycolysis, and how free energy supports organization, growth, and reproduction. The video also covers thermodynamic laws, their relation to evolution, and the impact of free energy disruptions on ecosystems, using Easter Island as an example.

What is the primary source of free energy for life on Earth?

• The moon

• The sun

• Volcanic activity

• Ocean currents

Which process is responsible for converting sunlight into sugars in plants?

• Respiration

• Glycolysis

• Photosynthesis

• Fermentation

What is homeostasis?

• A type of cellular respiration

• A form of genetic mutation

• A stable internal environment

• A process of energy production

According to the first law of thermodynamics, energy can be:

• Created and destroyed

• Transferred but not created or destroyed

• Only created

• Only destroyed

What does the second law of thermodynamics state about entropy?

• Entropy decreases over time

• Entropy increases with energy conversion

• Entropy is irrelevant to energy

• Entropy remains constant

How does the second law of thermodynamics relate to evolution?

• Evolution has no relation to entropy

• Evolution can increase order in an open system

• Evolution increases entropy in a closed system

• Evolution decreases entropy in a closed system

What is glycolysis?

• A type of photosynthesis

• A form of protein synthesis

• A process of breaking down glucose into pyruvate

• A method of storing energy in plants

Which of the following can enter the glycolysis pathway at different points?

• Proteins

• Different sugars

• Nucleic acids

• Lipids

What happens if there is a disruption in the free energy available to an organism?

• The organism becomes more active

• The organism becomes immune to diseases

• The organism may die

• The organism grows faster

What was a major consequence of deforestation on Easter Island?

• Increased biodiversity

• Population growth

• Ecological collapse

• Improved agriculture