... absorb the heat from the sun and keep warm. As the surface of the earth got warmer, the black daisies eventually had to leave the equator, because it was too hot. The white daisies had the advantage, because they could reflect off the heat of the sun. The black daisies had to go nearer to the poles to survive, and the ... white daisies were scattered all over the world. Eventually, the earth gets too hot and both speicies of daisies die out. If there were other organisms that could have helped maintain the homeostatis of earth, then the daises might have survived. Some other variables ....

• Word Count: 2564
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School