Which of these conditions would most likely cause a decrease in the population of any species? A. increased competition for resources B. improved access to mates C. elimination of predators D. decrease in pathogens

The answer is A. increased competition for resources.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.