I think the correct answer from the choices listed above is option A. It is the anther that is the part of a flower where the pollen grains are located. It is a pollen-producing structure on the end of a stamen with an oval shape. Hope this answers the question.
They differ by the number of neutrons.
When the starfish were removed from the area as part of an experiment, the mussel population swelled and crowded out other species. The biodiversity of the ecosystem was drastically reduced. Payne's study showed that identifying and protecting keystone species can help preserve the population of many other species.
Answer: change farming techniques to conserve soil
Explanation:
During nitrification, ammonia is changed back into nitrate.
Nitrification is a three-step process of oxidation of ammonia. It is an aerobic process performed by small groups of autotrophic bacteria (Nitrosomonas, Nitrobacter). First step- ammonia to hydroxylamine, Second step-hydroxylamine to nitrite, Third step-nitrite to nitrate. Nitrification together with ammonification is part of a nitrogen cycle.
