ipl-logo

Natural Selection: Applying Darwin's Theory Of Evolution

1118 Words5 Pages

All creatures on Earth change relentlessly to adapt and survive in a new environment. Human beings are not an exception to this rule. Evolution by Hall and Hallgrimson had stated that Darwin’s theory of evolution is a change in genetic traits of biological population from one generation to another. The dominant, or adaptable genes will replace the recessive genes in the gene segment. The whole process of evolution, however, does not happen rapidly. It takes time, possibly one million year and beyond, depending on the species and living condition. So, what made all of the changes happen? Natural Selection. Darwin had used this mechanism of change over time to explain his theory of evolution. This definition paper will compare natural selection …show more content…

In addition, every animal is a link in the food chain. Losing one of these links could damage the harmony in nature, leading to the ecological imbalance. Nonetheless, artificial selection totally differs from natural selection. Artificial selection includes the involvement of human. Scientists and farmers breed plants or animals with desirable characteristics to produce new species, fulfilling human needs. Moreover, this idea of selection tends to occur in domestic population and produce the diversity of organisms which is different from native generations. According to Berkeley.edu, “due to fishing regulations dictating that only the largest fish may be kept, humans artificially select fish to produce smaller size fish. Originally there was great variation in fish size. As the population was fished, only large fish were removed, while smaller fish remained. Small fish reproduce and produce more small fish. Population will continue to decrease in size so long as the largest fish are harvested.” On the other hand, in natural selection, natural changes in the environment play an active role in the process. This takes a lot of time and produces a great biological

Show More
Related

How Did We Outsmart The Neanderthals

763 Words | 4 Pages

According to Recent and Ongoing Selection in the Human Genome published in the National Center for Biotechnology Information, the human genome appears to be targeted by selection. The researchers estimate that at least 38% of all new amino-acid altering mutations in the human genome are being eliminated by negative selection. As Homo sapiens outlived Homo neanderthalensis, it is a plausible conclusion that genetically humans are more adapted to Earth’s

Read More

Bighorn Rams

483 Words | 2 Pages

Now the current population of the Bighorn Ram has small horns and body size. Both in the over fishing of the Codfish and the hunting of the Bighorn, human has a great impact on them. In essence, created an evolutionary path that is only for the fittest in a given environment. The climate had a great impact on the palm tree.

Read More

Natural Selection And Change The World: Chapter Analysis

564 Words | 3 Pages

This chapter was about how natural selection can be change the world. Darwin decides to open with, “But the mere existence of individual variability and of some few well-marked varieties, though necessary as the foundation for the work, helps us but little in understanding how species arise in nature,” (60,Darwin). Darwin has shown that each living species has a job or can help make this world a better place. Darwin has had ideas on how each species originated on earth. We are know that animals and humans are able to reproduce more of itself, which allows its traits to be passed on.

Read More

Natural Selection: Key Processes Of Evolutionary Change

123 Words | 1 Pages

Changes will occur in DNA mutations which is in the gene and this will pass from one generation to another. These affects could change an organisms appearance, how their body works and their behavior. Therefore, the new versions of a gene survives better than the old version and that animal will have more offspring and will inherit new version of the gene, which will pass on to their young ones. How natural selection is one of the key processes in evolutionary change? Natural selection is one of the key process and leads to evolutionary change when individuals that have a certain characteristics have a greater survival rate than the other organisms in a population, which passes these genes to their offsprings later on.

Read More

Best Example Of Natural Selection

678 Words | 3 Pages

What is natural section? Natural selection is the process where organisms that can adapt to their environment tend to survive and produce more offspring. This process was discovered and proven by scientist Charles Darwin during the mid-1800’s. This process is key to science because it explains the central idea of how nature is designed. Natural selection is a key component to life on Earth.

Read More

Progression Inhibit Natural Selection

953 Words | 4 Pages

Also its important to note that there are counter arguments for the reduced role of natural selection. For example, while some harmful mutations won’t be deleted from the human gene-pool, it allows educated people to study that genome, and also how it interacts with human’s non-mutated genes; potentially enabling mankind to gain more information about its own inner and outer workings. On the other hand though, it could argued that the same could be done if the gene was simply isolated and studied at a cellular level, rather than to let it persist within the population. Most simply, it implies

Read More

The Influence Of Natural Selection

930 Words | 4 Pages

If the Human species is able to select and adapt to the changes most useful to him, then why should nature fail in selecting variation and adapting under the changing conditions of life in the same way as man? What laws are there in place to stop this power of adaptation and change that exist during the long ages, which rigidly scrutinize the whole system, structure and, habits of every living organism which favours the fit and kills of the weak or unstable? The answer is that there is no limit to the extent of natural selection or in fact evolution as a whole by the fact that every living organism is able to slowly adapt to form the most complex relation of life. The theory of natural selection exists within the forms of climate, geographical regions and atmospheric

Read More

Evolutionary Mechanisms Of Natural Selection

277 Words | 2 Pages

Evolution is very difficult and time-consuming process, all of the living things are subject to evolution from the moment of their appearance on the Earth. living beings are adjusted to the conditions of the environment in order to obtain food, shelter and survive. There are four fundamental Mechanisms of Evolution Natural Selection is the main evolutionary process, as a result of which the number of individuals with the maximum fitness (the most favorable signs) increases in the population, while the number of individuals with unfavorable signs decreases. In the process of natural selection from generation to generation individuals with changes even minor, but useful in certain environmental conditions, are predominantly preserved and

Read More

Natural Selection In Charles Darwin's Origin Of Species

1813 Words | 8 Pages

In Origin of Species, Darwin emphasizes the importance of ordinary selection – the battle for life based on environmental hardships governed by nature– on the development of species. He then establishes the idea of sexual selection – the struggle for the organism to reproduce generally governed by the female – which generally produces traits that ordinary selection would not develop. After 12 years he expands on the subject of sexual selection in Descent of Man, Darwin elaborates on the energy both the male and female exert on reproduction. This energy establishes that while ordinary selection enforces animals to change and adapt to the physical environment around them, sexual selection focuses on the environment of reproduction allowing

Read More

Darwin's Explanation Of Nature

124 Words | 1 Pages

Darwin believes it is. Variations that give one species an advantage, no matter how slight, over another species, allow organisms a better chance of surviving and therefore of leaving more offspring. While breeders can select variations that are beneficial for them, omniscient nature has the power to develop and select variations that are imperceptible to man and beneficial to species in ways that man might never have considered. Nature can make any slight advantage increase an organism’s likelihood of surviving over another, and since these advantageous variations are heritable, they can be perpetuated in future generations. Conversely, nature can also limit species by not bestowing advantageous characteristics on them, therefore making the

Read More

How Does Dam Cause Evolution In Fish

886 Words | 4 Pages

McClure et al. (2008) studied habitat loss of anadromous salmonids because of dam building in west of United States. They found that habitat area declined and changing habitat distribution caused evolution in population of salmonids because of decline and changes in genetic variation. Smaller habitat cause smaller populations, leading to genetic drift.

Read More

Challenges Of Natural Selection

335 Words | 2 Pages

Natural selection is one of the most essential parts of evolution. Natural selection is what has shaped both the human and animal race to be what it is today. Throught natural selection, characteristics have been changed and passed down in order to increase the survival rate for the next generation. Natural selection is the process of living things evolving gradually through generations. It is not directed from the needs of humans but instead by the challenges of reproduction that are received from the environment.

Read More

Define The Concept Of Evolution And The Theory Of Natural Selection

481 Words | 2 Pages

Animals with more undesirable traits would either not survive or pass along these less desirable traits to its offspring who may or may not survive as well as other animals with better traits. Evolution is a process driven by competition between individuals for available resources and the natural selection of the fittest and most capable over the weakest. The combination of natural selection and evolution creates animals that change with the external environments in which they

Read More

Commercial Fishing Impacts

1235 Words | 5 Pages

Certain species have a huge impact to an ecosystem, but even the smallest fish could have the biggest impact. Overfishing occurs when more fish are caught than the population can replace through natural reproduction (overfishing). The results not only affect the balance of life in the oceans, but could also affect the coastal areas that depend on fish for their way of life. For centuries, our seas and oceans seem to be considered a limitless food supply. But that is not the case, increasing fishing efforts over the last fifty years as well as unjustifiable fishing practices are pushing many fish stocks to the point of extinction.

Read More

Theory Of Evolution Essay

1006 Words | 5 Pages

He says that, “We can not select genes that are not in the gene pool of the species.” For example there is no gene for wings in the gene pool of a pig. Would you expect to see a new born pig with a growing set of wings? No, because it is not in it’s DNA. This is what natural selection is proposing.

Read More

More about Natural Selection: Applying Darwin's Theory Of Evolution

Related Topics

Open Document