During the nitrogen cycle, through which structure are nitrogen compounds first absorb into the plant?rootsleavesflowerstem

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?