It is also often difficult to determine the exact factor limiting growth. Many different factors may combine to produce unexpected results. Limitations to population growth are either density ...

We can investigate the limiting factors of photosynthesis by placing leaves in different conditions and testing for the presence of starch. Iodine turns from brown to blue-black in the presence of ...

But is it also possible that it becomes a limiting factor once we reach a point where we might deem ourselves successful? This was a question recently posed by my colleague and co-contributor ...