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We use cookies to enhance our website for you. Proceed if you agree to this policy or learn more about it. Buy now, save instantly, get the job done on time! Type of paper: Book Review. Topic: EvolutionSpeciesAdaptationGeneticsEvidenceTheoryRecordSelection. Pages: Words: The two theories take vastly different approaches to explain how and why the world is full of the many variations of plants, animals, insects, good books to write essays on, reptiles, and human beings. The theory of creationism explains these things by intelligent design. This is where divine intervention takes place and an almighty, good books to write essays on, omnipotent god creates all beings, all of a sudden, with all of the variations needed to survive in the environment that they currently live.
There is no macroevolution, only slight adaptations of the beings to their environment. However, after reviewing all of the evidence presented for evolution, the theory of evolution explains many more things. Evolution, or Darwinism, included six components: evolution, gradualism, speciation, common ancestry, natural selection, and non-selective mechanisms Coyne,p. After evolution, gradualism explained how substantial changes in a species took hundreds, thousands, or good books to write essays on of generations to evolve. Also, the pace of evolution is not necessarily constant. Speciation explains how different groups that cannot interbreed or exchange genes come about.
Common ancestry explains how every species shares a common or cousin ancestor at some point in the past. Lastly, there are non-selective mechanisms that affect evolution but the main idea is that evolution does not necessarily cause new features to spring up but allows mutations in traits that already exist. The fossil record is the best, historical proof for the theory of evolution Coyne,good books to write essays on, p. As fossils are put in chronological order and rocks within the strata that the fossils are found are dated, a timeframe of when the creature lived can be assigned. Also, after studying the fossils, conjectures were formed regarding how the species lived.
When fossils that shared similar traits are located in certain time periods, then the theory of evolution has evidence to support its tenet of gradualism and speciation. Although the fossil record is incomplete being that there is fossil evidence for only. The fossil record is proof of common ancestors and transitional species, and predicts the mixture of traits that can be found in the species of a particular era Coyne,p. The fossil record accomplishes three things through its well documented findings. Vestigial traits can only be explained by evolution. Intelligent design is not the best explanation for why these traits still exist. If organisms were designed supernaturally, it does not make sense to design them with physical traits that are useless or not utilized in the manner for which they were originally designed Coyne,p.
Those traits, or atavisms, make a great argument for evolution since it makes more sense that, based off of time and location, vestigial traits actually evolved to their current state and were repurposed for the species based on what assisted with survival and reproduction within their good books to write essays on geographic location. Vestigial traits and atavisms can occur as a re-expression of genes that were once useful for their ancestors. Human tails are an example of a vestigial trait since they are useless for the species but may have once been for the ancestors Coyne,p. Evolutionary processes will inactivate genes that are no longer useful in the survival and reproduction of the species instead of removing them.
That is why, in some instances, these genes can be reactivated by scientific or natural processes and be expressed in the form of organs or appendages that are not useful to the current design of the species. The theory of creationism, based off of the argument of intelligent design, does not explain why organisms are suddenly created with imperfect features and traits. Evolution is the more practical explanation and, as evidenced by the gradual changes documented in the fossil record, has evidence to substantiate the claim. Adaptation and speciation occur through evolutionary processes based, good books to write essays on, in part, to geographical location. A similar organism or species will develop variation based on the best survival and reproduction genes suitable for the region it is located.
There are some isolated regions of the world that are home to endemic plants and animals Coyne,p. Although endemic, these species are not native to the region. There has to be an explanation for how these plants and animals developed, shifted location, and are now only found in the regions they are currently located in. Coyne asserts that biogeographic evidence is powerful for evolution and does not support creationism p. Different locations with similar terrain and climate are home to vastly different species. However, that is not the case. Coyne credits continental drift and molecular taxonomy p. Evolution better explains how placental mammals and marsupials can have similar features and, yet, are two different species. If good books to write essays on traits they share assist them with survival in their geographic regions, then they will exhibit those traits yet still possess characteristics in form and genes from their respective ancestors.
The pace at which these adaptive qualities evolve is not consistent as there may be selective processes that increase or decrease that rate, such as colonization Coyne,p. It does not matter what lineage the plant or animal came from as long as the adaptations they undergo are suitable for their current geographical location. Variations within and between species occur to help a species with its predatory endeavors while assisting other species to develop intense defense mechanisms. The process of natural selection is supported by much observable and documented evidence in that species do not produce conscious effort to adapt to their environments.
They only proceed with business as usual, which involves obtaining food, shelter, protecting themselves and their domain, and reproducing. The environments good books to write essays on reside in good books to write essays on naturally select the adaptations exhibited that allow for the best chances of survival and reproduction. The genes that are expressed by the adaptations will naturally be selected and be passed on to the next generation of offspring Coyne,p. It is also noted that adaptations can occur without the need for survival or reproduction. Just as any species has some ability to choose its mate, adaptations can occur that do not have anything to do with survival or reproduction.
Organisms can be placed together in specific conditions to encourage mating in order to produce offspring with desirable traits. However, the new adaptations are not emergent. They are modified from pre-existing features p. Sexual dimorphisms Coyne,p. These differences, some of which assist with attracting good books to write essays on for reproduction, such as possessing bright colors or unique songs, can attract predators and only are exhibited during particular seasons. Obviously, the more a particular feature assists with attracting a mate, more offspring will be born with the gene for that feature. When the roles are reversed and females must compete for male selection, the females of a given species will exhibit the variations needed to attract a mate p.
Coyne also points out that features are adapted to assist with post-mating competition to protect the females after insemination so that offspring is sure to have the most favorable genes for survival p. Since female selection generally drives sexual dimorphism, males of a given species usually possess the most variations. Also, since most species still employ some form of sexual reproduction, as opposed to asexual reproduction, then dimorphisms continues to occur to this day Coyne,p. Males release a lot of sperm while females usually nurture far less than what was expended. Males also inseminate more than one female as there are few species that are monogamous Coyne, Natural selection helps in the quest to produce offspring and is based on sexual selection.
Speciation occurs by many natural selection methods. A component of speciation is that groups do not interbreed, thus exhibiting reproductive isolation. They do not intermingle the genes that produce certain traits. There are many barriers to overcome to interbreed species and, even if those barriers are broken down and reproduction is achieved sexually or synthetically, the offspring will usually be sterile p. Creationism is not able to adequately explain the type of macroevolution that occurs that prevent similar species from producing offspring. The theory of intelligent design fails to produce enlightenment regarding the reason such differences have arisen instead of simply good books to write essays on a lesser number of species to reproduce and ensure offspring, thus longevity.
To clarify how speciation can occur, outside factors that influence the gene pool must be taken into account. That along with reproductive techniques, such as the pollination of flowers, can influence hybrid tendencies p. Also, there are several types of hybridization that can occur naturally or superficially. Humans evolved from a common ancestor of other species also. The process of human evolution involved beginning to walk upright instead of horizontally and progressed to include various mental and emotional attributes. With many evolutionary pressures working simultaneously or chronologically, humans evolved and have common ancestors that were ape-like in resemblance.
The issue of how different races surfaced within the evolutionary process and progressed has to do with genetic variations that created adaptations to various geographical locations. Despite the myriad of evidence available through various disciplines of scientific research, some still do not believe the theory of evolution. There are still many inconsistencies and controversies associated with the theory of evolution. Despite present evidence, questions and the investigations to answer them remain to be undertaken. Also, good books to write essays on, while evolution can provide answers to some questions of how humans came about and where they came from, abstract complexities such as morality, religion, good books to write essays on, temperament, etc.
are still being studied. Some extreme conservatives rationalize that by teaching the theory of evolution, people may become naturalistic and materialistic with what they consider their morals and values, which will, supposedly, lead to a meltdown of societal structure. Humans are still growing and changing physically, emotionally, and mentally in ways that have nothing to do with evolution since it is happening so quickly. Simply put, evolution tells us where humans came from, not where humans can go p. Note: this sample is kindly provided by a student like you, use it only as a guidance. ID Password recovery email has been sent to email email. Don't waste time. HIRE A WRITER Sign in. Blog Free Essay Examples current How It Works About Us Who We Are Contact Us Our Writers Our Guarantees FAQ Honor Code WowEssays Reviews Our Services.
ORDER PAPER LIKE THIS. Chapter 1 What Is Evolution? Chapter 2 Written in the Rocks The fossil record is the best, historical proof for the theory of evolution Coyne,p. Chapter 3 Remnants: Vestiges, Embryos, and Bad Design Vestigial traits can only be explained by evolution.
How to Write an Essay about a Book (Brothers Karamazov example)
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Nov 30, · Check out this awesome Order #Biology Book Review Example for writing techniques and actionable ideas. Regardless of the topic, Good Book Review Madchen und Jungen in der KiTa: Korper - Gender - Sexualitat avg rating — 65, ratings Rate this book 16 Rate this book Good Books To Write Essays On Let the Children Play: What are some of the best books to write essays on? 1. To benefit from the insight of others. 2. To open our minds to ambiguities of meaning 3. To explore other cultures and beliefs 4. To
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