Origin of life Flashcards
What is the Fermi Paradox?
The question of why we haven’t detected other civilizations despite high probability
What are stromatolites?
Layered rock structures created by microbial mats
Which experiment demonstrated that organic molecules could form in early Earth-like conditions?
Miller–Urey experiment
What is abiogenesis?
Spontaneous generation of life from non-living material
Which environment is currently favored as the origin site for early life?
Deep-sea hydrothermal vents
What is a coacervate?
A tiny droplet of organic molecules capable of growth and division
What property of mineral surfaces supports the origin of life?
They can catalyze and organize organic molecules
Why is the left-handedness of amino acids significant?
Life exclusively uses left-handed amino acids despite natural mixtures
What key biological capability evolved around 2.7 billion years ago?
Oxygen-producing photosynthesis