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Free essay examples: Ideal Mate
This essay has presented Earth’s many changing faces during its journey. Earth had molten beginnings, was , and may have . Later, and and . Earth experienced swings from to conditions as atmospheric gases dramatically changed, continents moved, and vast and of complex life played out on land and sea. But the changes happened over timescales of millions and billions of years, not hundreds. No climate scientist will deny that carbon dioxide traps infrared radiation and warms Earth’s atmosphere. The vented enough carbon dioxide into the atmosphere to create 200 million years of Greenhouse Earth conditions, when reptiles ruled Earth. Volcanism waned and around 150-to-100 mya. By 35 mya, and the Antarctic ice sheet began forming. Every paleoclimate study I have seen places greenhouse gas (and primarily carbon dioxide) concentrations as the primary determinant of global surface temperatures, after the Sun's radiation, but the Sun's output is considered to have been exceptionally stable and has risen slowly over the eons. , usually by accentuating the carbon dioxide with a positive feedback effect that may have reached runaway conditions at times.
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.
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There are three primary survival requirements for any species: obtain nutrients (always primarily energy), avoid becoming nutrients, and perform those first two tasks long enough to produce offspring. If those requirements are not met, the species will go extinct. The eating instinct outranks the sex drive, but avoiding becoming food is where the most energetic behaviors can usually be found. Primal survival instincts take over during the . In humans, that to enable the body to perform feats of physical survival. That is when pumps. All evolutionary adaptations studied by scientists always have those three primary requirements girding the explanatory framework.
led to more involved mammalian parenting behaviors and increased female participation, in addition to the great investment that females have in gestating offspring. Larger simian males are more likely to become dominant, and dominant males often get the most and best food and have enhanced reproductive rights, as females are attracted to them. Virtually all monkey and ape societies are male-dominated, and the modern ideal of human females freely choosing their mates (or, perhaps more importantly, non-dominant males choosing their mates, if they get to mate at all) is rarely in evidence in monkey and ape societies, and is a new phenomenon for humans. The phenomenon of attractive women mating with rich and powerful men has deep roots in the simian evolutionary journey.
What Words Would You Describe Your Perfect Mate? (This …
For several million years, life in the Eocene was halcyonic, and at 50 mya, the state had prevailed ever since the 250 mya. But just as , Earth began cooling off. The ultimate reason was atmospheric carbon dioxide levels that had been steadily declining for tens of millions of years. The intense volcanism of the previous 200 million years waned and the inexorably sequestered carbon into Earth’s crust and mantle. While falling carbon dioxide levels were the ultimate cause, the first proximate cause was probably the isolation of Antarctica at the South Pole and changes in global ocean currents. During the early Eocene, the global ocean floor’s water temperature was about 13oC (55oF), warm enough to swim in, which was a far cry from today’s near-freezing and below-freezing temperatures. The North Sea was warm as bathwater. Radical , warming the ocean floor, and . Whatever the causes were, the oceans were warm from top to bottom, from pole to pole. But between 50 to 45 mya, Australia made its final split from Antarctica and moved northward, India began crashing into Asia and cut off the Tethys Ocean and the global tropical circulation, and South America also moved northward, away from Antarctica. Although the debate is still fierce over the cooling’s exact causes, the evidence (much is from ) is that the oceans cooled off over the next 12 million years, very consistently, although a brief small reversal transpired at about 40 mya. By 37-38 mya, the 200-million-year-plus Greenhouse Earth phase ended and the transition to today’s ice age was underway. In the late Eocene, as the trend toward conditions began, such as the .
During the early Eocene’s Golden Age of Life, forests blanketed virtually all lands all the way to the poles, , today’s appeared, and coral reefs . Many animals would also appear bizarre today. One , and an order of lived, including the , which looked like a giant wolf with hooves. The began displacing those primitive predatory mammals in the Eocene, after starting out small. A family of predatory placentals called lived from the mid-Eocene to less than two mya. Rhino-sized and their bigger cousins the were the Eocene’s dominant herbivores in North America and Asia. Primates flourished in the tropical canopies of Africa, Europe, Asia, and North America. Deserts are largely an Icehouse Earth phenomenon, and during previous , virtually all lands were warm and moist. Australia was not a desert in the early Eocene, but was largely covered by rainforests. It must have been a marsupial paradise, as it would have been in Antarctica and South America, but the fossil record is currently thin, as rainforests are poor fossil preservers.
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Your Ideal Roommate Essay Sample
From their through their and in the Eocene, primates continued evolving. About 35 mya, and monkeys, called (also called simians or anthropoids), split. Simians seem to have split from a group also ancestral to . Today’s prosimians include , , , and . During the , Africa and Southeast Asia became primate refugia. Tarsiers have , and the live on islands near Southeast Asia. Primate history in the late Eocene and Oligocene is controversial today. The fate of an from primates’ is debated, but they seem at least cousins to ancestors of , if not ancestral to them.
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Perhaps the most damaging deficiency in FE efforts, after self-serving orientation, was that the participants and their supporters were scientifically illiterate and easily led astray by the latest spectacle. Scientific literacy can help prevent most such distractions. While writing this essay, I was not only bombarded with news of the latest FE and alternative energy aspirants' antics, but I had to continually field queries regarding whether Peak Oil and Global Warming were conspiratorial elite hoaxes (or figments of the hyperactive imaginations of environmentalists and other activists), for two examples that readily come to mind. Digesting this essay's material should have those questions answered as mere side-effects. Far from being a hoax or imaginary, Peak Oil was and , and it is all downhill from there, and conventional oil will be almost entirely depleted in my lifetime. , although both were heavily promoted in the USA in 2014. In every paleoclimate study that I have seen, so-called greenhouse gases have always been considered the primary determinant of Earth's surface temperature (after the Sun), and carbon dioxide is chief among them. The radiation-trapping properties of carbon dioxide are not controversial in the slightest among scientists, and after the Sun's influence (which is exceedingly stable), declining carbon dioxide levels are considered to be the conditions that have dominated Earth for the past 35 million years. Humanity's increasing the atmosphere's carbon dioxide content is influencing the cause of Icehouse Earth, and , and are merely proximate causes. Increasing carbon dioxide can turn the global climate from an to a Greenhouse Earth, and the last time that happened, Earth had its . But have purposefully confused the issues, and a scientifically illiterate public and have played along, partly because believing the disinformation seems to relieve us all of any responsibility for our actions. Although scientific literacy can help people become immune to the disinformation and confusion arising from many corners, and reading this essay's first half can help people develop their own defense from such distractions, my goals for this essay's first half are far greater than that.
How to Attract Your Ideal Mate - The Positive Way
This chapter and the next will survey the disputes of evolutionary lineages and geography that continue all the way to . The debates and drama have two primary sources: the first is that humans are descendants from those lines and the second is that there has been a desire to demonstrate that humanity radically differs from its ancestors, possessed of unique traits, not only in degree, but in kind. The debates seem to get fiercer the closer the primate line gets to modern humans.
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