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Facts about Theolcold SmithAnalyze the impact of Theobold Smith's discovery and the impact it Id microbiology...

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Facts about Theolcold SmithAnalyze the impact of Theobold Smith's discovery and the impact it Id microbiology

Facts about Theolcold Smith Analyze the impact of Theobold Smith's discovery and the impact it Id microbiology



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Using Your Notes In what ways was Adam Smith a microeconomist? In what ways a macroeconomist? Refer to your completed comparison and contrast chart.

Here we have the question. How did the insights of Lyell and other geologists affect Darwin's ah development of the theory of evolution? So we know that Lyle and other geologists at the time had a lot of evidence of gradual geological change over the course of many years, specifically millions of years. That was the really big time frame. So Darwin applied that idea to suggest that species could evolve. Uh, cumulate ing changes over time, and thus they would evolve. So basically based off of Lyles evidence, he was able, Darwin was able to come up with the idea of natural selection and evolution over time. So we could say that Lyle and others, um, well, first list their ideas. So Lyle and others proposed true's to geological features over the course of millions of years. So then Darwin. He used this to come up with the idea that species also just like geological formations, could change over this long period of time. So Darwin proposed that species evolved over long periods of time, obtaining various changes that allowed them to better survive. And that is the concept of survival of the fittest that we see right there

Yeah. Now here we are discussing the scientists that influenced Darwin's view on population growth. Now remember Darwin's idea was that all species have the potential two over populate? He called it over production. Okay. And that it was the environment that would cause natural selection because there were limited amounts of you know, food, water, shelter, working on that overproduction, which is why species do not overpopulate all over the place. Okay, so Darwin did not come up with that idea, you know, completely out of the blue. It was influenced by one of these scientists which you see named here now, Cuvelier, What did he say? Well, he was kind of old fashioned, he studied the earth and looked at changes in the earth and he was a big believer that earth was very young, only a few 1000 years old and any changes were from catastrophes. You know any changes in the earth were from big catastrophic changes like earthquakes and things like that. Changes due to catastrophe which fit in perfectly well with, you know, the going theories at the time that the species were fixed and unchanging. You know, everything was the way it was. Earth is not very old. Okay. Now the scientists here who actually contradicted coup veers ideas were loyal and Hutton, both of them also talked about the earth, but they both proposed the earth was very old, way more than a few 1000 years old and that the changes that occurred on the earth, we're very gradual. Now, neither of these couvertier or loyal or Hutton, we're talking about organisms. Okay, there main focus was geology. Okay. In fact, Liel is more well known because he wrote a book that Darwin also had some influence from called principles of geology. But even though we can say, oh, he influenced Darwin. Yes, but it was not about his population growth. He pretty much solidified the idea that the earth was very old and that the changes on the earth would be very gradual. Okay, now malthus now he did address populations, but he did work on human populations. What malthus essentially said is that human population growth has the potential to be almost uncontrolled. So it could be and remember uncontrolled growth is exponential. He said it could be exponential but it wasn't, it could be exponential but it was not. And why wasn't it exponential? Well he said we have things like that we need again, like all organisms food, water, shelter. Well if you only have certain amount of farming you only have a certain amount of food. So there's a limited amount of food. He also said if you have a lot of people, well the people will, one person gets sick and you have a really dense population, disease can spread really quickly within the population. So malthus said that even though humans have the potential for exponential population growth, they didn't because things like famine and war and disease would limit the human population growth. Okay, so that is a theorist that Darwin based his population growth. The only difference was Darwin applied it to all organisms while malthus was just talking about humans. Now, for completion sake, let's talk about Wallace now, why can't it be Wallace? Well, Wallace um did not influence Darwin. Wallace was a contemporary of Darwin that came up with the theory similar to Darwin's. So he did not influence Darwin. In fact, when Darwin found out that his theory was so similar, um they actually came up with an arrangement that they would present their theories together at the same time. All right, so malthus was the one who influenced his population growth thinking

Yeah, let us complete the following sentence blank. Was responsible for Darwin's belief on population growth in a natural setting. Let's reread the sentence and completed. Not. This was responsible for Darwin's belief on population growth. In a natural setting, thomas malthus was an english economist and demographic for who was best known for his theory that population growth will always tend to outrun the food supply, and the betterment of humankind is impossible without stern limits on reproduction. This thinking is commonly referred to as not illusionism.

So, Mr John Smith. Freddie's things Really Hi does, is off vitamins, and so does is off antibiotics. Now the height does is off vitamins hot Biggs to grow quickly. The group quickly, whereas low into my techs does is developed their system. They're not that assistant Bacteria's, as Mr John Smith was providing the antibiotics. What happened is that those bacterias this. They took all these antibiotics in low doses and started to develop or tolerate those antibiotics, and as a result, they started developing resistant, and the bacteria begin assistant against those antibiotics and and dean, the disease causing resistant bacteria was that he's in for mortality off pigs.


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