Modern stromatolites – living fossils. Originating over 3 billion years ago, stromatolites are the oldest known fossils (timeline). Fossilized stromatolites were laid down as colonial structures built by photosynthesizing Cyanobacteria and other microbes.
Answer:
animals would be your awnser you are welcome
Explanation:
The Krebs cycle is a cycle that is after glycolysis which allows the cell to get more ATP and have more ATP efficiency than that of glycolysis itself or <span>fermentation and glycolysis. Infact, it makes the ATP effeciency about 20 times. </span>
<span>In the coming days (or even weeks) before labor, a woman will feel a change in position of the coming baby. The repositioning of the baby is a sign of it getting into a "head-first" position for the delivery process. A woman may feel a change in pressure, especially a lift of weight on her diaphragm making it easier to breathe.</span>
<span>Emperor Penguins huddle together during the winter without eating - they have eaten before the winter and they live of their saved fat during this time - so the answer won't have to do with food. The correct answer is B) - they move back to the exterior (or are pushed by other penguins) - only like this can all the penguins survive the winter, by cooperation, rather than being selfish.</span>