Essays on Evolution

What is Evolution? Evolution is the belief, “that all of life on earth had descended from a common ancestor, whose offspring could vary slightly from the previous generation”.

It's Darwin's Theory of Evolution by Natural Selection:

More individuals are produced each generation that can survive. This part of his theory is what we know today as “survival of the fittest”. There are more offspring produced than their environment can hold. Whoever can stay alive, can reproduce, and the cycle keeps going on.

Phenotypic variation exists among individuals and the variation is heritable. Darwin didn’t understand that these variations were through genes, but he understood that traits were passed on from parent to offspring. Those individuals with heritable traits better suited to the environment will survive. Here he states, that some individuals will receive traits that help them with their roles in their environment which leads to a longer life. They are better off starting out than those species who didn’t receive that trait. When reproductive isolation occurs, new species will form. Reproductive isolation means that two kinds of species are interbreeding and producing offspring naturally. If two species interbreed, the offspring will get traits from both parents and be a new, unique species.

Charles Darwin; however, didn’t come up with the theory of evolution from his trip around the world. The first time this idea was ever thought by Darwin of was from his grandfather, Erasmus Darwin. Erasmus wrote his scientific ideas in poetry form originally and eventually transferred them into a book. This work helped push Charles to his theories. There were many more scientists that guided Charles Darwin to his Theory of Evolution and Natural Selection. Charles Lyell, as we talked about earlier, was important to the geology aspect of Darwin’s theories. The thought of Georges Cuvier helping Darwin is very obscure because he was a very religious scientist that sided with the church on Evolution. He believed that there was more than one line of genetics for species; however, which helped Darwin with Natural Selection. Alfred Russel Wallace didn’t influence Darwin, but they both came up with Natural Selection at the same time and pooled their ideas together. Wallace took a trip to Indonesia and ended up getting his data from there. Wallace receives little credit for Natural Selection. Comte de Buffon was the first to suggest to Darwin that biogeography could be proof for Evolution. Jean Baptiste Lamarck hypothesized that life started out elementary and then got more complex as time went on. This influenced Darwin, but his ideas never proved to be true. Most importantly, we have Thomas Malthus, an economist. He helped Darwin by explaining to him the rise in population and the food supply that was not sufficient enough to feed everyone. Darwin realized that eventually, some people would die of starvation. This led him to the idea of “Survival of the fittest”.

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We've found 141 essays on Evolutіon
Bubonic Plague

The bubonic plague is one version of a fatal flea-borne illness plague, which is caused by the bacteria called Yersinia pestis that ravaged the human populations in the fourteenth century. The bubonic plague is mainly transferred through fleas that originated from dark rats from the …

BacteriaBiologyBubonic PlagueEvolutіonGeneticsMutation
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Pages 10
Darwin’s and Natural Selection

Darwin’s Theory has stood many tests of time and are used today as the basic for several health and medical explanations. Charles Darwin was a British scientist of the 19th century who first theorize that all species evolved from others. Therefore, he describes evolution using …

BiologyCharles DarwinEvolutіonGenetics
Words 555
Pages 3
The Evolution of Emotion: Charles Darwin

It becomes naturalist Charles Darwin in 1872, who proposed that emotions developed due to the fact they had been adaptive and allowed human beings and animals to live on and reproduce. Feelings of love and affection lead people to be seeking associates and reproduce. Emotions …

Charles DarwinEvolutіonMetaphysics
Words 731
Pages 3
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Essay on Man

We all understand the term man (Plural – Men). It is a familiar term which is commonly used. But do we really know how man or the human species came into being and how it evolved over the time? Man as we see today is …

BiologyEvolutіonMale Vs FemaleSex
Words 3174
Pages 13
The Origin of Life

The origin of life is a heavily debated topic in society nowadays with many possible theories being presented, a large variety of opinions, and nobody knowing the definite answer. Scientists explain that human life as we know it today has evolved over billions of years …

EvolutіonLIFENatural Selection
Words 2076
Pages 9
Behavioral Ecology

Differences in behaviour are widely varied within zoology and are often influenced by the size and structure of the social assembly during development in animals. In many vertebrates, the effects of social interactions in early life and in adult life are mostly mediated by changes …

BiologyCompetitionEcologyEvolutіonGenetics
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The Evolution of the Internet: Routers

“In this error of technology, the technology of correspondence is expanding every now and then. The communication systems assume critical part to send any data like record or printer sharing, video chat and voice conferencing and so forth and nowadays web is the best medium …

EvolutіonInternet
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Systematics in Modern Biology

Systematics is the root of comparative biology. Comparative biology attempts to relate characteristics of one organism to another, in this case homology and homoplasy are put to question because of similarity due to common ancestor or similarity due to a function. In systematic, studies focus …

BiodiversityBiologyEvolutіonNature
Words 807
Pages 4
What is Biotechnology and How Has it Managed to Grow

Biotechnology is a broad discipline in which biological processes, organisms, cells or cellular components are exploited to develop new technologies. New tools and products developed by biotechnologists are used in research, industry and the clinic, especially the genetic manipulation of microorganisms for the production of …

BiotechnologyEvolutіon
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A report on the landscape evolution of the Durham coast

Introduction and Background This report aims to assess the landscape evolution of the Durham coast, and to determine the past, present and future processes acting on the coastline. Natural processes have shaped the region for millions of years, and at present the area is characterized …

BeachEvolutіonGeographyGeologyNatureWater
Words 2115
Pages 9
Darwin observed several facts which contradicted his theory of natural- or survival selection

Introduction Darwin observed several facts which contradicted his theory of natural- or survival selection, one of which was the dazzling plumage of peacocks that appeared to have nothing to do with survival, and in fact seemed to be more of an open invitation to potential …

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Words 4537
Pages 19
Phylogeny – An Overview

Introduction Phylogenetics is concerned with the study of evolutionary relatedness between species, populations and groups of organisms. The essential idea in phylogenetics is that all of the organisms on earth are derived from one single common ancestor. Phylogenetics is also involved in the production of …

BiologyEssay ExamplesEvolutіon
Words 2325
Pages 10
Evolution of Human Resource Management (HRM)

Introduction Human resources management (HRM) has evolved over the decades to become a strategic, integrated and coherent approach to the employment, development and well-being off the people working in an organisation. Duncan (2001) has highlighted that the evolution of HRM impacts on the management of …

HumanHuman EvolutionHuman Resource Management
Words 3307
Pages 14
Red Queen Hypothesis

Introduction Survival of species depends on several factors. These include availability of food, adaptation to the environment, reproduction and interaction with other species (Ridley, 2009). Paleontological records have given evidence that evolution has taken place and species that have survived are those which have learned …

AdaptationBiologyEvolutіon
Words 1459
Pages 6
Parson’s Theory of Social Evolution

Introduction The role and importance of ‘differentiation’ and ‘specialization’ in Parsons’ theory of the evolution of ‘modern society’ will be outlined and discussed in this assignment. An overview of Parsons theory of social evolution will first be provided in order to determine how Parsons views …

EvolutіonSocietyTheories
Words 2279
Pages 10

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