Question

How have human activities affected the depletion of flora and founa.?explain (about 30 words).

Answer 1

human activities have affected the depletion of flora and fauna because humans cut the different species of trees used without any reason as for making paper gum lac and do not use recycled paper as much as they can. they also hunt for animals for trading

Answer 2

1) Aerobic respiration : In this case pyruvate is broken down into water and carbon dioxide along with release of energy. It commonly occurs in mitochondria of cells. 2) Anaerobic respiration in yeast : In yeast cells during fermentation pyruvate is converted into ethanol and C02 in the absence of 02.