The biological importance of plants to humans essay

Animals can quickly adapt to changing environmental conditions that impact their food supply. For example, in recent studies of Galapagos finches during a severe drought, small-beaked finches largely died out, because large and hard seeds became dominant. The surviving finch population had measurably larger beaks in one year. It took 15 years of normal conditions for finch beaks to return to their pre-drought length. Wrangham argued that the biological changes attending cooked food would have been immediately evident, and anatomy presented the most dramatic changes seen in the human line. The only other plausible candidate would have been , but it was only a more robust version of .

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Meanwhile, is crashing. As I have performed my studies since 1990, including numerous scientific topics, one issue became clear: biologists and climate scientists are in a panic regarding what is happening. Biologists know that they are living through the , which is caused by humans and is happening before their eyes. Climate scientists are watching humans alter the atmosphere to the extent that may be caused within a geologic timescale’s blink of an eye. It took more than two billion years for , and the , which took many millions of years to transpire. But humanity may end up altering the atmosphere so much in a mere few hundred years to actually turn Earth from an into a Greenhouse Earth, create and events, or myriad other potential outcomes. Industrial humanity is engaging in a chemistry and physics experiment with our home planet, and hardly anybody seems to notice or care. That frightens climate scientists, and biologists know that those potential geophysical events can make the current extinction event even more pronounced, and humans may achieve a mass extinction that exceeds even the , and do it quicker than every previous extinction event other than that . For one of many ominous trends, the oceans are being acidified by the increasingly acidic rain, which is . Peter Ward’s is not so farfetched, as he churns out grim books with his emeritus years not far off, but humans are the current agents of destruction, not Mother Earth and her other species. On , humanity is peering into the abyss.

The 6 Most Common Biological Sexes in Humans

Those energy concepts are real ones that all economies face, and financial measures only reflect them. In the USA, just , Peak Oil was . In 1973, the first oil crisis hit, and have declined since then. Wages were only a reflection of energy consumption, which also peaked in the 1970s for the USA and by that real wages per hour have. The USA’s declining standard of living since the 1970s was minor compared to the devastation inflicted on developing nations. The was initiated by the oil price shocks of the 1970s. Many nations have yet to recover. When the oil price shocks hit, and other measures were inflicted by Western institutions on developing nations. As people such as , those policies were intentionally used to enslave those nations. On the world stage, the self-image promoted by the West is that of blundering do-gooders. As people such as , it is a false narrative designed to hide corrupt motivation from the outset. It is simply more of that . I have written a great deal elsewhere on , how the resembles fairy tales, how professions and industries have , how the , just like genocidal invasions, were always economically motivated, usually to secure energy resources. This essay does not need to belabor those trends, but anybody not can clearly see that the game being played on the global stage is the same one that has been played: economically exploiting others. Because industrialized civilization is beginning to run out of the energy sources that the West used to industrialize, a universal decline in humanity’s standard of living has begun. The USA has transitioned from the land of opportunity to a deindustrializing economy in which bankers and other capitalists are designed to rob one class in favor of another. The aspect of those machinations is painfully obvious. The mind-control techniques that Orwell and Huxley wrote about have been turned into sciences, and there are even “competitions” between their dystopian visions to see .