Answer:
Explanation:
In a lake, oxygenic phototrophs produce new organic material as well as O₂. If primary production rates are very high, the resultant excessive organic matter production can lead to bottom-water O₂ depletion from respiration and the development of anoxic conditions. This in turn stimulates anaerobic metabolisms, including anaerobic respirations and fermentations.
Organic matter that is not consumed in surface layers sinks to the depths and is decomposed by anaerobes.
Answer:
4 kcal per gram of carbohydrate
Explanation:
base on which an organism lives the soil is the substrate of most seed plants. .A substance acted upon (as by an enzyme)
Binary fission is a characteristic of prokaryotes and a few eukaryote species and is most similar to the process of mitosis; each parent cell divides into two daughter cells each containing half of the genetic material from the parent cell.
A disaccharide is formed by two monosaccharides through a condensation reaction. The Hydrogen of one of monosaccharide pairs with the hydroxide (OH) of another monosaccharide. Whe this happens H2O is formed The water molecule is then removed leaving the functional groups of the two monosaccharides able to bond with each other.