There is only species of a koala but you can ask how many races there are.
The name is, "phascolarctos cinereus".<span />
The decrease is sunlight would affect the plant population because plants use sunlight as energy witch help them live and grow and without plants some animals do not have food to survive the winter
The answer would have to be D
<span>Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment.</span>