an adult damselfish will vigorously defend a square meter patch of algae on a coral reef from other herbivores. This behavior ensures that reef algae is not overgrazed. Infer why the number of damselfish on the reef is limited by the surface area of reef coral.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

"a.) well–developed vascular system."