<span>The answer is shared an evolutionary
history. Homologous structures evolved
from the same ancestor structure. An example of homologous features is the four
limbs of all tetrapods. In birds, the forelimbs evolved
into wings while in crocodiles they still used for walking, and in humans, they evolved into hands. </span>
The answer is A because they need the sunlight to go through the water
It causes eutrophication which means that the algae have too much nutrients and take over the pond, use the oxygen so there is not enough left for marine life, which die as a result.
Hunter-gatherer societies are often nomadic. I believe.