How is the open ocean zone different from the intertidal zone and coastal zones?

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

What percentage of light hits earth's surface directly?