Biology 1202B Lecture Notes - Lecture 1: Polycyclic Aromatic Hydrocarbon, Hydrogen Sulfide, Electric Spark
15 Jun 2016
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Document Summary
Evolutionary timeline: universe 15 billion years old, earth formed 4. 6 billion years ago, eukaryotic fossils 2. 2 billion years ago, homo sapiens 150000 years. The same type of elements found in living and non living thing both obey the same fundamental laws of physics and chemistry. All life is composed of one or more cells which are the fundamental unit of all life, this arises from the growth and division of other cells (cell theory) Components of life: display order, harness and utilize energy, reproduce, respond to stimuli, exhibit homeostasis, evolve, growth development. Life is emergent complex properties of life emerge from simple molecular interactions, eg; termite cathedral. Life in the habitable zone, the region around a star where water can exist in a liquid state distance depends on energy output of parent star, life a we know it is dependent on this star.
