The pollution from the Industrial Revolution darkening the trees. After the trees darkened from all the soot in the air, the white moths were easier to see and more vulnerable to predators. The dark moths blended into the dark tree bark.
Mutualism because both animals benefit. The Elephant gets relived from the parasites that are on it and the bird gets food.
<span>ovaries
</span><span>fallopian tube
</span>cervix
vagina
uterus
The greatest threats to coral reefs is the rising temperature of the oceans as a result of climate change and the acidification of the oceans due to increased levels of carbon dioxide in the atmosphere which dissolves in the ocean and forms carbonic acid.Aug 3, 2015