1. The way in which the process of learning is the result of Natural Selection is by the way we learn on how to live our life and to survive to be able to make offspring. Our book says that “those of their offspring that share their parents ' advantage will also tend to survive and reproduce” (Chance,2014). There is also the example in the book of Gregor Mendel in which he did the experiement with the peas and with natural selection he was able to have a garden full of peas. And last there is the experiment of the birds with different shapes of beak Charles Darwin said that "it is very remarkable that a nearly perfect gradation of structure in this one group can be traced in the form of the beak, from one exceeding in dimensions that of the …show more content…
According to our book “anecdotes are first- or secondhand reports of personal experiences. They can include specific information about measures of learning, such as the number of errors made, but they are more often less specific” (Chance, 2014). And case study “examines a particular individual in considerable detail” (Chance, 2014). Last is experimental study “ is a study in which a researcher manipulates one or more variables (literally, things that vary) and measures the effects of this manipulation on one or more other variables” (Chance, 2014). The pros of experiment study is “control over variables, easy determination of cause and effect relationship, better results” (2014, Advantage and Disadvantage of Experimental Research). And the cons of experiment study is “failure to do experiement, creates artificial situations and subject to human error. (2014, Advantage and Disadvantage of Experimental Research). And the kind of experiment that statistical analysis is least likely to be necessary is anecdotes because they are personal experience and personal experience can be made up or not …show more content…
Operant conditioning is “A process of behavior modification in which a subject is encouraged to behave in a desired manner through positive or negative reinforcement, so that the subject comes to associate the pleasure or displeasure of thereinforcement with the behavior” (Dictionary.com). And contingency is “refers to the degree of correlation between a behavior and its consequences” (Chance, 2014). Last is contiguity “refers to the gap in time between a behavior and its reinforcing consequences” (Chance, 2014). And the reason why contiguity has a faster result in learning is because “one reason that immediate consequences produce better results is that a delay allows time for other behavior to occur. This behavior, and not the contingent behavior, is reinforced” (Chance, 2014). “Dopamine is a neurotransmitter. It is a chemical messenger that helps in the transmission of signals in the brain and other vital areas. Dopamine is found in humans as well as animals, including both vertebrates and invertebrates” (2013, Mandal). The regard pathways of dopamine is an adrenaline which provides a rush. Dopamine is release when you are in a rollercoaster and your heart beating fast is dopamine. According to David Premack “whereas reinforcers are ordinarily viewed as stimuli, Premack noticed that they can be thought of as behavior” (Chance, 2014). Also according to the book “ reinforcement involves a relation, typically between two behaviors, one of which is reinforcing the other”
The two main forms of conditioning, are classical conditioning (learning by association), and operant condition (learning from consequences).Classical conditioning, is the learning process in which one is conditioned (learns) to respond to a neutral stimulus as if it were a meaningful stimulus. In operant conditioning, learning occurs through associations made between a behavior and the consequence that follows.
“Operant conditioning is a method of learning that occurs through rewards and punishments for behavior. Through operant conditioning, an association is made between a behavior and a consequence for that behavior” (Cherry). Positive reinforcement which is praising a person for doing something good verses negative reinforcement which is an unpleasant remark a punishment. B.F. Skinner did an experiment on a rat, the rat was taught to push two buttons, one to receive food and the other was a light electric shock. The rat tried both buttons and realized which button was good and which one was bad. This experiment goes to show that upon the rewards and punishment system one can learn their rights from their wrongs through a series of lessons. Kincaid and Hemingway both use operant conditioning to show human behavior under stimulus control.
Natural selection is associated with the phrase “survival of the fittest.” This basically means that the fittest individuals can not only survive, but are also able to leave the most offspring. The selection of phenotypes affects the genotypes. For example, if tall pea plants are favored in the environment, then the tall pea plants would leave more offspring behind, meaning that the offspring will carry tall alleles. Phenotypes that are successful have the best adaptations (characteristics that help an individual to survive and reproduce) to their environment. These adaptation arise from the interactions with living and nonliving aspects of the environment. Some nonliving aspects of the environment are climate, water availability, and concentration of mineral sin the
The main purpose of this lab was simply to study two factors of Natural Selection: Genetic Drift and Fertility. The first of these factors in the study was Genetic Drift. In this section of the lab, there was one main question to answer: What effect does population size has on random mechanisms? For this question, I hypothesized that if the population is smaller, then the random mechanisms will have a greater effect on the populations. I believed that this was because basic math principles would allude to the idea that any bad random mechanism to a small population would harm a greater percent than a larger population. With a greater portion of their population gone, then the amount of turtles reproducing would lessen significantly.
When looking through the notebook trying to find the subjects that I wanted to talk about I found two topics that I thought were the most interesting and that I understood the most. The first chapter that I thought was the most interesting to me was natural selection. I think it’s really interesting because it is so prevalent in our lives.
Charles Darwin’s theory of natural selection explains the general laws by which any given species transforms into other varieties and species. Darwin extends the application of his theory to the entire hierarchy of classification and states that all forms of life have descended from one incredibly remote ancestor. The process of natural selection entails the divergence of character of specific varieties and the subsequent classification of once-related living forms as distinct entities on one or many levels of classification. The process occurs as a species varies slightly over the course of numerous generations. Through inheritance, natural selection preserves each variation that proves advantageous to that species in its present circumstances of living, which include its interaction with closely related species in the “struggle for existence” (Darwin 62).
Operant conditioning is a kind of conditioning, which examines how often a behavior will or occur depending on the effects of the behavior (King, 2016, pg. ). The words positive and negative are used to apply more significance to the words reinforcement or punishment. Positive is adding to the stimulus, while negative is removing from the stimulus (King, 2016). For instance, with positive reinforcement, there is the addition of a factor to increase the number of times that the behavior occurs (King, 2016). An example of positive reinforcement is when a child is given an allowance for completing their household chores. The positive reinforcement is the allowance which helps to increase the behavior of doing chores at home. In contrast with negative
Dopamine sends signals to other nerve cells in the brain, which regulates movement, motivation, emotion, and feelings of pleasure.
Natural selection is driven by reproductive success. If a species can reproduce and its offspring survive than any traits in its genotype that assisted in its survival will be passed on from generation to generation and ensure that the species will live on. Around the time the Theory of Evolution was suggested, society was very religious and very pressed on the Theory of Creation, so the publication of Darwin’s The Origin of Species by Means of Natural Selection caused a lot of controversy. Darwin gave the world strong evidence that natural selection and evolution played a major role in the development of the species that we see today. Of course natural selection is not the only process driving evolution.
Charles Darwin has five parts to his theory of natural selection, firstly the “Geometric increase” which claims that “all living things reproduce in great numbers”, meaning that species may survive but not all will survive because, the resources used for survival for instance ,food will not be enough for all living things. “The struggle for existence” because there is a limited number of resources and can only sustain some and not all, not all living things will survive, however the question lies in which living being will survive?. “Variation” is the third part of natural selection which claims that within those living things there are variations within them that will determine whic...
With the studies that Charles Darwin obtained he published his first work, “The Origin of Species.” In this book he explained how for millions of years animals, and plants have evolved to better help their existence. Darwin reasoned that these living things had gradually changed over time to help themselves. The changes that he found seemed to have been during the process of reproduction. The traits which would help them survive became a dominant trait, while the weaker traits became recessive. A good example of what Darwin was trying to explain is shown in giraffes. Long-necked giraffes could reach the food on the trees, while the short-necked giraffes couldn’t. Since long necks helped the giraffes eat, short-necked giraffes died off from hunger. Because of this long-necks became a dominant trait in giraffes. This is what Charles Darwin would later call natural selection.
Many scientists in the past, such as Aristotle and Plato, believed that there were no changes in populations; however, other scientists, such as Darwin and Wallace, arose and argued that species inherit heritable traits from common ancestors and environmental forces drives out certain heritable traits that makes the species better suited to survive or be more “fit” for that environment. Therefore, species do change over a period of time and they were able to support their theory by showing that evolution does occur. There were four basic mechanisms of evolution in their theory: mutation, migration, genetic drift, and natural selection. Natural selection is the gradual process by which heritable traits that makes it more likely for an organism to survive and successfully reproduce increases, whereas there is a decline in those who do have those beneficial heritable traits (Natural Selection). For example, there is a decrease in rain which causes a drought in the finches’ environment. The seeds in the finches’ environment would not be soft enough for the smaller and weaker beak finches to break; therefore, they cannot compete with the larger and stronger beak finches for food. The larger and stronger beak finches has a heritable trait that helps them survive and reproduce better than others for that particular environment which makes them categorized under natural selection (Freeman, 2002).
Charles Darwin in his book, On the Origin of Species, presents us with a theory of natural selection. This theory is his attempt at an explanation on how the world and its' species came to be the way that we know them now. Darwin writes on how through a process of millions of years, through the effects of man and the effects of nature, species have had an ongoing trial and error experiment. It is through these trials that the natural world has developed beneficial anomalies that at times seem too great to be the work of chance.
Learning is defined as a “process of change that occurs as a result of an individual’s experience” (Mazure, 2006). Researchers assume that the process of learning follows certain general principles, which were developed, into the general process learning theories. These include operant conditioning and classical conditioning which has been put forward by leading psychologists like Pavlov, B.F.Skinner and Thorndike. However, in learning, operant and classical conditoning are opposed by biological constraints that state that there are limitations to the theories. Some of these biological constraints on learning will be discussed below.
2011, p281). Regardless of their differences or similarities however, both have played an important part in the study of learning. With operant conditioning allowing to condition more complex behaviours that can be done with classical conditioning, and with classical conditioning being what helped discover operant conditioning in the first place, it can be argued here that the two are complementary. Indeed, one cannot speak of operant conditioning without mentioning classical conditioning, and vice