Answer:
Most organisms carry out fermentation through a chemical reaction that converts the pyruvate from glycolysis into lactic acid or lactate. Lactic acid fermentation also converts NADH into NAD+ so that glycolysis can continue.
Explanation:
I believe the answer is water
It would be their equivalent of winter. The lower half of the Earth would be tilted away from the sun, and so it would be colder
Past climate changes led to extinction of many species, population migrations, and pronounced changes in the land surface and ocean circulation. The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt.
Aquatic ecosystems can be classified as freshwater and marine ecosystems.