Explain what rocks, fossils and glaciers tell you about the continent

The difference between amphid and plasmid

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

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?