Shampoos and hair often claim to have nutrients and vitamins your hair must have to grow and be healthy. a. what is the composition of the hair shaft onto which shampoos and conditioners are applied? b. taking into account the composition of the hair shafts, do you think these vitamins and nutrients will be beneficial? why or why not ?

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.