Professor Nick Cutter (![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png)
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fandomhigh2023-09-18 05:20 pm
itsananomaly) wrote in fandomhigh2023-09-18 05:20 pm
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Evolutionary Science for Beginners - Monday, 1st Period
“Welcome back,” Cutter began that week’s class, “this week we’re going to be covering evolutionary theory, we’ve touched on what evolution is and how it impacts many different scientific fields and this week we’re going to look in depth about what the actual theory is,” he said, “evolution is the change in heritable characteristics of biological populations over successive generations and evolution occurs when evolutionary processes such as natural selection and genetic drift act on a genetic variation and that this in turn results in certain characteristics becoming more or less common within a population over successive generations,” he smiled over at Connor and nodded at him that he could take over the lecture then.
“There’s a lot of complicated words and terms there so let’s break it down with some simpler examples” Connor said with a nod as he continued. “Evolutionary changes come in many forms and there are many examples of it in the world. Even the existence of mankind as we know it today is thanks to evolutionary changes. The process of moving from early primates to modern humans is an example of evolution. The diversification of the different breeds of dogs and cats, each with unique characters and traits that separate them from one another, is an example of evolution at work. Nearly every species today, both plants and animals, has an evolutionary lineage that can be traced back thousands or even millions of years.” Connor nodded at Cutter as he handed the lecture back over to him.
“Evolution can occur if there is a genetic variation within the population and it comes from mutations in the genome, or genetic material of an organism,” Cutter continued, “even though most of the genome remains very similar in a species despite constant introduction of variations, most of the genome will remain in the same in individuals however in evolutionary developmental biology for example, it has been demonstrated that even relatively small differences in genotype can lead to dramatic differences in the phenotype both within and between species and a notable example of this can be seen in the peppered moth between the white and black peppered moths,”
Cutter paused, “and that’s a good segue into today’s activity, we’re going to be taking turns to using the computer and completing both the simulation and the answer sheet about peppered moths, if you need any help please feel free to ask myself and Mr. Temple and we’ll be able happy to assist you,” he nodded to the first person, “why don’t you get us started,”
“There’s a lot of complicated words and terms there so let’s break it down with some simpler examples” Connor said with a nod as he continued. “Evolutionary changes come in many forms and there are many examples of it in the world. Even the existence of mankind as we know it today is thanks to evolutionary changes. The process of moving from early primates to modern humans is an example of evolution. The diversification of the different breeds of dogs and cats, each with unique characters and traits that separate them from one another, is an example of evolution at work. Nearly every species today, both plants and animals, has an evolutionary lineage that can be traced back thousands or even millions of years.” Connor nodded at Cutter as he handed the lecture back over to him.
“Evolution can occur if there is a genetic variation within the population and it comes from mutations in the genome, or genetic material of an organism,” Cutter continued, “even though most of the genome remains very similar in a species despite constant introduction of variations, most of the genome will remain in the same in individuals however in evolutionary developmental biology for example, it has been demonstrated that even relatively small differences in genotype can lead to dramatic differences in the phenotype both within and between species and a notable example of this can be seen in the peppered moth between the white and black peppered moths,”
Cutter paused, “and that’s a good segue into today’s activity, we’re going to be taking turns to using the computer and completing both the simulation and the answer sheet about peppered moths, if you need any help please feel free to ask myself and Mr. Temple and we’ll be able happy to assist you,” he nodded to the first person, “why don’t you get us started,”
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