autotrophs and heterotrophs (7 minutes)
frog decline (3 minutes)
more on that (4 minutes)
saprotrophs (2 minutes)
nitrogen fixation (4 minutes)
aerobic and anaerobic (11 minutes)
extremophiles, archaea (7 minutes)
Quiz:
1. What is the difference between an autotroph and a heterotroph -- and give a couple examples of each.
2. Why are peas, beans, and legumes in general important for all life?
3. Explain the variations with oxygen use in biology, about one paragraph.
4. What are methanogens, halophiles, thermophiles?
No comments:
Post a Comment