Which of the following processes can be used by cells to make a small amount of energy and ethanol in anaerobic conditions? a: alcoholic fermentation b: lactic acid fermentation c: cellular respiration d: the electron transport chain

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

According to the cladogram, which organisms have roundworms as a common ancestor?