These have adapted to the environment by the development of long taproots that penetrate downward until they approach the assured water supply provided by groundwater.
I grew up in a village, a poor and closed-off world barren of cultural and entertainment life. 90% of my early education was from my father, from his words and deeds.
We think these phytochemicals either stop the growth of precancerous cells in the body or they kill the precancerous cells without affecting normal cells.
Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
They could trace the growth and shrinkage of continental glaciers, even in parts of the ocean where there may have been no great change in temperature—around the equator, for example.