The high levels of pesticides found in birds of prey is an example of

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?

Why is it important to study each branch of earth science?

In what part of the body does the most muscle activity happen?