Which depressive disorder features symptoms that are milder but longer lasting than the symptoms of the other depressive disorders?

Dysthymic disorder

Explanation:

it supports cell theory.it states that all living cells are made from cells

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.