for humans - a primitive society not an industrialized society. 1. How might natural selection have influenced human choices and behaviors in a prehistoric society? Answer in paragraph form. Natural selection may have been influential when it came to human choices and behaviors in a prehistoric society in that the natural selection process shaping the choices and behaviors of a human. Natural selection gives reward to the individuals that are more adaptive to their own environments in their
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population. It refers to the change in allelic frequencies that occur from generation to generation. There are three ways that microevolution can occur: mutation‚ genetic drift and natural selection. Mutation is the change in a gene of the DNA of an organism. This may change an allele and possibly the alleles frequency in the gene pool of the population. Genetic drift is an unpredictable change in a populations allelic frequencies from generation to generation. Genetic drift is also a change by chance
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Natural Selection for the Birds Purpose: To determine which birds with which beaks survive best in their environment depending on the type of food available. Question: What is the effect of the type of food available on the frequency of different types of bird beaks? Hypothesis: If the food type changes in the environment‚ then the amount of each type of bird beaks will change because birds with beaks more suited to the available food will be more successful over time. Variables:
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Evolution is the change in genetic composition of organisms between generations. Evolution is the process that results in organisms becoming more varied and better adapted in comparison to their ancestors. The driving force of evolution is natural selection. Natural selection is the process where individuals containing specific traits become more likely to survive compared to individuals without those traits. Because certain individuals have a greater chance to survive‚ they become more likely to reproduce
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People take advantage of what nature offers them but they don’t care to protect it much. The condition of our environment is becoming worse and worse. People produce a lot of pollution and wastes that destroy our natural environment. Many of us realize that we shouldn’t disregard these problems. Let me give you some examples how development and urbanization count against natural environment. Firstly‚ carbon dioxide and other waste gases that are given off in large quantities by factories and power
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"BIODIVERSITY" Biodiversity‚ as defined by E.O. Wilson‚ "is meant to be all inclusive- it’s the genetic based variation of living organisms at all levels‚ from the variety of genes in populations of single species‚ through species‚ on up to the array of natural ecosystems." This includes plants‚ animals‚ insects‚ fungi‚ bacteria‚ and all microorganisms. All of these things create what is known as a web. These things interact with each other in some way there for they depend on one another throughout
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TOK Essay Natural Sciences - How far do expectations influence observations? Alysia Francis In my opinion I believe that expectations influence or observations greatly. If we think something will happen we are more likely to look hard for it. If we want something to appear then it is more likely that we will think that we see it. An example of this is when people hallucinate. Someone is more likely to see a ghost if they believe or are expecting to see one. In natural sciences when looking
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GLOBAL & TECHNOLOGICAL ENVIRONMENT TRENDS: WAL-MART The Radio Frequency Identification‚ a short range communication technology‚ profoundly has impacted businesses. It helps companies track and control goods as they move through the supply chain. It can improve operational efficiencies and customer service while providing new business opportunities. However‚ like many other new technologies‚ RFDI also brings some concerns for people as well as benefits. For this assignment‚ I will focus on this
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Natural Gas‚ Pollution‚ and Our Environment In today’s society there is a great need for environmental protection. Things that happened during our parents and grandparents age have caused a great concern for our ozone‚ our air‚ and our environment. You constantly hear about the many sources of pollution‚ but we hardly ever hear about the solutions. In this paper I will present one possible solution to the air pollution problem that has been caused by too many automobile emissions being released
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Character-Building Foundation of Man The seat of character is the human will. As the will grows in its capacity to master and manage self‚ character is strengthened. If the will fails‚ character is weakened. Six elements that help bring about high levels of good behavior‚ self-discipline and strong will in humans. These are beneficial natural surroundings‚ a wholesome human environment‚ family solidarity‚ firm parental authority‚ warm parental affection‚ and genuine parental delight. The same
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