BIOLOGY 1B Lecture Notes - Lecture 1: Chemotroph, Carl Linnaeus, Hail
Document Summary
Matter coagulated to form galaxies, shortly after the big bang. Origins of earth - 4. 6 ga (billion years) Earth started to solidify - cloudy particles formed into the ball we know as earth - wasn"t blue at first; was first firy and hot. Atmosphere in vapor form (water), but not actual water on earth bc it would evaporate. Dinosaurs on the clock 11 o"clock. When they become too prolific, they can cause disease. Methanogenic archaeans are part of the human gut flora. The deepest places that humans have dug also contain bacteria (approx. Analyzed hailstones and found a huge range of prokaryotes. Archaea are called extremophiles refers to pressure, temperature, etc. that these bacteria can survive in extreme conditions. You have extremophiles in your gut they excel in hot areas relative to other organisms. Cyanobacteria can also produce toxins that can affect humans. Cyanobacteria also called blue-green algae (not algae) Biofuels algal biofuels are typically cyanobacteria.
