Describe how absorption and scattering can affect a beam of light

absorption may absorb light from the beam of light and scattering may change the beam of light's direction

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.

there's the proffessional site that will you.