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Argumentative Essay: The Importance of Discipline - Scholar Advisor

The closer the timeline of life on Earth gets to the appearance of humanity, the less our ancestry is doubted among scientists, and there is virtual certainty that is humanity’s direct ancestor. Their brains were nearly the size of modern humans and they inherited from their ancestors and used them for hundreds of thousands of years. There is plenty of evidence that migrated to Western Eurasia about 800 kya. But there is evidence that somewhere around 500 kya that began to change; there is evidence of in today’s South Africa. in today’s Germany, along with butchered horses, dated to about 400 kya. Scientists today are confident that was also the direct ancestor of , and the split began around 500 kya. The range of was Africa, West Asia, and Europe, but the advancing and retreating ice sheets of Eurasia, Europe in particular, kept driving southward, and during one of the retreats, it seems that the ancestors of Neanderthals stayed. Neanderthals became a cold-adapted species that specialized in hunting big game. As the evidence demonstrates today, life was a brutal proposition in humanity’s early days, and was particularly harsh for Neanderthals. They probably could not throw very well and relied on ambush predation. Scientists have studied Neanderthal bones and , but a , partly in light of recent evidence that Neanderthals may have also developed wooden throwing spears. But whether Neanderthals had to stab their prey in close quarters or eventually learned to throw weapons at them, the studies of early human bones describe a grim existence. Breaking bones were regular events, particularly skull fractures, and that was for trauma survivors.

Importance of discipline in education essay in hindi No middlemen Trueky com

In fact a good relationship creates many advantages between both teacher and student. For Relationship Between Student Teacher Essay instance, a good relationship produces a good environment within

essay on students essay for students of high school simple essays

In fact, thenotion of instrumental and interdisciplinary learning in real life situations provedonly a partial success.

During that “,” , , and the rise of grazing and predation had eonic significance. While many critical events in life’s history were unique, one that is not is multicellularity, , and some prokaryotes have multicellular structures, some even with specialized organisms forming colonies. There are , but the primary advantage was size, which would become important in the coming eon of complex life. The rise of complex life might have happened faster than the billion years or so after the basic foundation was set (the complex cell, oxygenic photosynthesis), but geophysical and geochemical processes had their impacts. Perhaps most importantly, the oceans probably did not get oxygenated until just before complex life appeared, as they were sulfidic from 1.8 bya to 700 mya. Atmospheric oxygen is currently thought to have remained at only a few percent at most until about 850 mya, although there are recent arguments that it remained low until only about 420 mya, when large animals began to appear and animals began to colonize land. Just as the atmospheric oxygen content began to rise, then came the biggest ice age in Earth’s history, which probably played a major role in the rise of complex life.

About 1 bya, began to decline and microbial photosynthesizers , probably due to predation pressure from , which are eukaryotes. Eating stromatolites may reflect the of , although grazing is really just a form of predation. The difference between grazing and predation is the prey. If the prey is an (it fixes its own carbon, by using energy from either or ), it is called grazing, and if the prey got its carbon from eating autotrophs (such creatures are called ), then it is called . There are other categories of life-form consumption, such as and (eating dead organisms), and there are many instances of . For complex life, the symbiosis between the and its cellular host was the most important one ever.

Essay On Discipline for Class 6 | Creative Essay

With the above limitations acknowledged, this essay will explore the earthly journeys of life and humanity, and energy’s role in them.

So far in this essay, mammals have received scant attention, but the mammals’ development before the Cenozoic is important for understanding their rise to dominance. The , called , first , about 260 mya, and they had key mammalian characteristics. Their jaws and teeth were markedly different from those of other reptiles; their teeth were specialized for more thorough chewing, which extracts more energy from food, and that was likely a key aspect of success more than 100 million years later. Cynodonts also developed a secondary palate so that they could chew and breathe at the same time, which was more energy efficient. Cynodonts eventually ceased the reptilian practice of continually growing and shedding teeth, and their specialized and precisely fitted teeth rarely changed. Mammals replace their teeth a . Along with tooth changes, jawbones changed roles. Fewer and stronger bones anchored the jaw, which allowed for stronger jaw musculature and led to the mammalian (clench your teeth and you can feel your masseter muscle). Bones previously anchoring the jaw were no longer needed and . The jaw’s rearrangement led to the most auspicious proto-mammalian development: . Mammals had relatively large brains from the very beginning and it was probably initially . Mammals are the only animals with a , which eventually led to human intelligence. As dinosaurian dominance drove mammals to the margins, where they lived underground and emerged to feed at night, mammals needed improved senses to survive, and auditory and olfactory senses heightened, as did the mammalian sense of touch. Increased processing of stimuli required a larger brain, and . In humans, only livers use more energy than brains. Cynodonts also had , which suggest that they were warm-blooded. Soon after the Permian extinction, a cynodont appeared that may have ; it was another respiratory innovation that served it well in those low-oxygen times, functioning like pump gills in aquatic environments.

In the 19th century, the Jurassic was called the Golden Age of Dinosaurs, but that moniker is arguably most applicable to the late Cretaceous, and it was a golden age clear up until a bolide impact brought it all to an end. One of the uglier disputes in paleontology’s history was a bent on outcompeting each other in finding and describing dinosaur fossils. However, the dinosaur extinction is probably the largest and most contentious controversy in the history of paleontology. Again, the , due to Lyell’s and Darwin’s prevailing uniformitarianism, until my lifetime. The hypothesized bolide event, , was a kind of a bolide event inflicted on paleontology. Acrimonious disputes ignited that still burn, but it made studying mass extinctions respectable. Initially attacked and dismissed, the bolide impact hypothesis is by far today’s leading hypothesis for explaining the . However, at the same time, India was speeding toward its Asian destiny, and its movement is associated with . Also, , so the bolide event has some theoretical competition as a causative agent.

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668 Words Short Essay on role of students in free India

However the hot times were created and sustained, Earth’s life reveled in the conditions. Similar to reptiles' beating the heat and migrating into the oceans, some mammals did the same thing about 200 million years later, and . Scientists were surprised when molecular studies found that with , and the is the closest living relative to whales. Whales evolved in and near India, beginning about 50 mya, when the earliest “whale” and lived near water. By 49 mya, . A few million years later , and by 41 mya they , for a transition from land to sea that “only” took eight million years. Whales quickly became dominant marine predators. However, sharks did not go quietly and began an arms race with whales, which culminated 28 mya in , the most fearsome marine predator ever: a shark reaching nearly 20 meters in length and weighing 50 metric tons. , as seen below ( in gray, great white shark in green, and next to that is a man taking a break in mouth). (Source: Wikimedia Commons)

Importance of yoga in our life - Essay and speech

So far, this essay has dealt lightly with regional differences and largely confined the discussion to polar, temperate, and tropical conditions in the seas, and rainforest versus dryer conditions on land. While existed, barriers to species diffusion on land were relatively modest, hence dominance. But at the Triassic’s end, and continental differences in plants and animals often became significant in later times. Although the formation of Pangaea had profound impacts, because land life was relatively young, the differences and resultant changes due to the removal of oceanic barriers were less spectacular than would happen in the distant future, such as when .

Essay on importance of discipline in students life

This chapter falls at about this essay's midpoint, and humanity's role in this story has yet to be told. As I conceived this essay, studied for it, wrote it, edited it, and had numerous allies help out, an issue repeatedly arose regarding the half of this essay just completed, and can be summarized with: "What was the point?" Not everybody asked it and some understood, but others wondered openly and sometimes subtly what the purpose of this essay's first half was (and some asked if the essay had any point at all and considered my effort a waste of time). This chapter is my reply, and I think it is important to understand.

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