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Evolution

The scientific theory according to which populations change gradually through a process of natural selection.

5,264 Questions

A Process that use observation and experimentation to gain knowledge is?

The process that uses observation and experimentation to gain knowledge is known as the scientific method. This method involves making observations, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions based on evidence collected. It is a systematic approach to understanding the world around us.

What is the Cosmozoic Theory of Evolution?

Cosmozoic or Interplanetary Theory as put forward by Richter states that life had reached the earth from some other heavenly body in the form of resistant spores of simple organisms in meteorites or in spaceships. Upon finding fertile soil here, the theory goes, they grew and then evolved into the various existing forms.

What is the cultural evolution of man?

I believe that before Darwin created his theory the culture was a Christian culture, most everyone believed in God, how God created the earth in seven days, and how everything has a plan and purpose. Once Darwin created his theory, everything changed. Everyone believed that there is no God, The earth was created by a Big Bang, everything in the earth was evolved from a single cell, everything happens accidentally, and nothing has a purpose you are just here because the best traits adapted and evolved. Evolution has completely taken the focus away from God, and put it on the fact that we don't need God to create life. Evolution is taking the culture and little by little, day by day, turning it into more of an Atheistic world view. That is not what God intended to happen!!! I believe that before Darwin created his theory the culture was a Christian culture, most everyone believed in God, how God created the earth in seven days, and how everything has a plan and purpose. Once Darwin created his theory, everything changed. Everyone believed that there is no God, The earth was created by a Big Bang, everything in the earth was evolved from a single cell, everything happens accidentally, and nothing has a purpose you are just here because the best traits adapted and evolved. Evolution has completely taken the focus away from God, and put it on the fact that we don't need God to create life. Evolution is taking the culture and little by little, day by day, turning it into more of an Atheistic world view. That is not what God intended to happen!!!

Theory of evolution according to f landa jocano?

F. Landa Jocano, a Filipino anthropologist, proposed a theory of evolution that emphasized cultural evolution over biological evolution. He argued that cultures evolve through adaptation to their environment and social interactions, rather than through genetic changes. Jocano's theory highlights the role of cultural diversity and innovation in shaping human societies.

Is it possible that science will give us eternal life?

The previous post, despite it's fervent effort; and not for lack of eloquence or even research, failed to even address the question at hand: Can we gain eternal life through scientific avenues.

It is possible (and as some researchers note, inevitable) for us to retain eternal life through science. Predictions lie between 20-30 years before we have a comprehensive cure for death.

There appear to be several avenues toward physical eternity; and I'll demonstrate the contributors to that cause in this article.

First, each cell in your body contains strands of DNA that determine every property you have. We're in fact 99% similar to Chimpanzees in regards to our DNA.

More to the point, a particular gene responsible for the production of an enzyme known as Telomerase; has potential to grant us lives that span centuries and even millenia (provided we aren't hit by a bus during that period).

the telomere is a region of repetitive DNA at the end of chromosomes, which protects the end of the chromosome from destruction. As the telomere becomes shorter and shorter, cells replicate less often; eventually reaching a stage referred to as the "Hayflick limit," a point at which a cell can no longer replicate. Growing old is directly associated with the shortening of our telomeres.

Telomeres are the treasure chests of life. Not only do they keep cells replicating, studies have indicated that shorter telomeres actually increase your risk of disease.

A study of 60 to 75 year olds showed that patients with shorter telomeres had a 300% higher death rate from heart disease, and an 800% higher chance of death from infectious diseases.

One of the most important groupings of letters and numbers that will grace humanity in it's period of scientific ascension is called "TA-65," a therapy that lengthens telomeres.(1) With TA-65, it's possible to replenish telomeres as well as reverse the decay that occurs during cell division.

Along with breakthroughs regarding the manipulation of these telomeres, advances in medical technology are leading to the cures for cancer. There are multiple treatments currently in FDA clinical trials that show great promise:

- A new technology involving blasting cancer cells with radio waves (which are harmless to humans) has been very successful and has researchers excited at the prospects. FDA animals trails have proven 100% successful, curing all malignant cancers.

- Cancer resistant mice have been important in determining how to become cancer-free; involving transfusing granulocytes; a kind of white blood cell, which has shown amazing promise towards curing cancer. Basically they take healthy granulocytes from one mouse and transfuse them into cancerous mice. This treatment has also proven 100% effective in clinical trials on animals.

Moving past the imminent breakthroughs involving cancer and telomerase; there are many life-improving technologies that are breaking the surface. Using silicon and microtechnology, the replication of organs and tissue has become possible and is now even in use in the United States. It's possible to actually build organs; which could eventually render transplant lists null.

Further, advances in nanotechnology have inspired optimism for nanobots which could flow through the blood stream and destroy deposits of plaque or dangerous cells.

To conclude, the inevitability of eternal life through science is upon us. Actually if you're willing to pay almost seven thousands dollars twice a year, you could probably live forever.

Of course as the commercial demand for the live-forever product increases, the price will invariably go down as the volume of consumption will be massive.

The breakthroughs witnessed at this point in history will define humanity for the remainder of it's presence in the universe. If you've ever wondered where we are headed, whether we'd colonize mars, or travel to another solar system... You have the oppurtunity to wait thousands of years to witness it.

What does radiometric dating prove regarding macro evolution?

Off the top of my head it substantiates that if you have 5 transitional fossils showing the slow change of an organism over a few million years that they did come in the order that they appear to, that one did spawn the other.

I think the best evidence of macroevolution is in genetic similarities between all life on earth, common descent.

That you and a chimp are 99% genetically identical, you and a mammal about 90%, and less and less until you get to something like a banana that is about 40-50% genetically identical, because the first cell is over 4/5 of both of our evolution, so we share a few billion years of common ancestry with every other organism on earth. Radiometric dating proves nothing about any form of evolution since it is itself unreliable in the sense that it is based on three unprovable assumptions, and has also been found to be unreliable in the field in various circumstances.

Where did life on earth originate?

No-one is certain, but the current hypothesis is in the depths of the ocean, near sources of geothermal energy. These are the most hospitable environments, providing an environment for a huge diversity of organisms.

There are some biologists who believe that life(or its building blocks) may have been brought here by comets. It's not so outlandish when you consider that bacteria and viruses can survive space, and that amino acids have been detected on comets.In the case of Earth,both hypotheses may be true.Neither would disprove the other.It is also possible that there were primitive bacteria here before the oceans formed,when the earth was still hot, and water was only able to condense into pools at high altitudes.Maybe the first life evolved in these.

How can hybridization contribute to speciation?

Plants can form hybrids relatively easily because of their pollination mechanism. If the species are closely related, hybridization is possible. For example, the domestic plum (Prunus domestica L., 2n= 48 chromosomes) occurred as a natural hybrid of blackthorn (Prunus spinosa L, 2n=32 chromosomes) and cherry plum ( (Prunus divaricata 2n=16 chromosomes). If the plants are not related, but still form hybrids, then the infertility of the hybrids can be overcome by mutation of polyploidy. Both of these processes occur in nature and are used by humans in breeding. In ecosystems, plant hybridization refers to the ecological mode of species formation.

Is evolution a random process?

Answer
No. It is far from random, there is nothing random about it. If I were to race my three year old nephew I would win, easily. I am faster and stronger and I have more stamina. The outcome of the race would not be random, it would be inevitable. Evolution is the same. The organism that is better equipped to reproduce will have more success and therefore become dominant and potentially drive other strains or species out of existence. The only random element is the mutations that cause one animal to be more fit than another. Most are harmful and die out in a generation or some, some are neutral and make no real difference (these are the variations we look at for DNA tests in court) and a few are beneficial. The good ones are passed down and over time an accumulation of good changes causes the organism to become a different sort of organism. This could be likened to poker. One hand is clearly better than another but the cards are dealt at random. Still, the best hand wins and the worst player is out of the game the soonest. Hope this helps!

Answer - Yes
Evolution is very random as it is based on mutations in the genetic code of organisms, although this process is random natural selection is NOT random and it is one of the main principals of this theory.

Answer 3

Yes, and no. Evolution is random in the sense that the solutions it produced (metabolic paths, body shapes, and so on) were by no means necessary outcomes, but produced by happenstances of genetic chemistry and chaotic environmental pressures. Should we rewind the clock and reset life to its most primitive form, there is no reason why the same lifeforms should evolve again. Evolution is non-random in the sense that whatever solution was produced would still have to have met the same criteria for survival and replicative ability. To summarize: natural selection limits the randomness of genetics, but by no means eliminates it.

How did Charles Darwin and Alfred Wallace gather information which then led them to formulate the concept of natural selection?

I don't know about Wallace, but Darwin spent a lot of his time in the Galapagos Islands where he saw what he thought was natural selection in action without interference from, or as a response to, outside sources like mankind.

What evidence is there to support the theory that a 'manager leads best when his people get behind him'?

== == * Many good companies are always looking for ways to create good management that improve leadership and good communication skills with their employees. It is not an easy task being a Manager because he/she has to deal with many different personalities and debates within his employees and be fair yet stern. A good Manager learns to roll up his/her sleeves and get down to the level of his/her employees when time permits and always has his pulse on the working abilities of his employees. A Manager should be approachable to resolve problems and in most cases any employee with a problem should be heard and treated with dignity. Hard work and laughter between Manager and employee go a long way. * There is an old saying in management training that goes like this: If the employees aren't following....the manager isn't leading. The key has to do with the way the manager routinely communicates and interacts with those reporting to him/her. For example: Does he/she maintain or enhance their self esteem...or just browbeat and intimidate? Does he/she really listen...or is he/she just waiting to talk. Does he/she regard the employee's feelings or openly criticize them in front of other employees? Does the manager ask for help or input in making decisions?...or just assume he/she has all the answers. Dictatorial management is short-term effective at best and invariably ruinous in the long term. One of two things happens...the manager fails or the employees subsequently help him/her to fail!

What does data from the study of bio geography provide evidence for evolution show?

Data from the study of biogeography provides evidence for evolution by showing patterns of species distribution that can be best explained by common ancestry and adaptation to different environments. It helps in understanding how species have evolved and diversified over time in response to changes in their habitats and geographic isolation. By studying the distribution of species in different regions, scientists can infer evolutionary relationships and historical connections between organisms.

How does geographic distribution of species around the world support the theories of evolution?

Let us take the marsupials of Australia as a case in point. Geologically we know how long Australia has been a separate continent and from this we can deduce the diversity of life in Australia is the result of isolation and natural selection carrying the organisms of Australia to a certain uniqueness in the world. New information on continental drift just adds to our understanding of this Australian evolutionary process. Many animals, marsupials, have their analogues in organisms in other places in the world.

What terms are associated with population geography?

Terms associated with population geography include population density, demographic transition, birth rate, death rate, migration, urbanization, and population distribution. These terms are used to study patterns of population growth, movement, and distribution across different regions and countries.

Which lines in the excerpt provide evidence that Stephen disapproves of his fathers behavior in Cork?

Stephen’s disapproval of his father’s behavior in Cork is evident in lines such as “he was old all right. He was as old as his minster.” and “His father must have been young. His father must have been beautiful.”. These lines suggest Stephen sees his father’s actions as a decline from his former glory and beauty.

What is the philosophy of survival of the fittest?

Survival of the fittest is a concept in evolutionary biology that suggests organisms best adapted to their environment are more likely to survive and pass on their genes. It is often associated with natural selection and the idea that competition drives evolutionary change. This concept has been used to explain the diversity of life and the adaptations of species over time.

What behaviors would some evolutionary psychologists offer as proof of their theory?

Evolutionary psychologists may point to behaviors such as mate selection, parental investment, and aggression as evidence of their theory. They argue that these behaviors have evolved over time because they provided survival and reproductive advantages to our ancestors. By studying how these behaviors are expressed across different cultures and societies, evolutionary psychologists seek to understand the underlying evolutionary principles driving human behavior.

How an assessment center utilized in the selection process?

An assessment center is a method used in the selection process to evaluate candidates through a series of simulated work-related exercises, such as group discussions, presentations, and role-plays. It allows assessors to observe candidates' behavior in different scenarios to assess their skills, competencies, and suitability for the role. Feedback from multiple assessors is taken into account to provide a comprehensive evaluation of each candidate.

How does evolution influence behavior tendencies?

Evolution can influence behavior tendencies through natural selection, where certain behaviors that enhance survival and reproduction are more likely to be passed on to future generations. Behaviors that increase an individual's chance of survival and reproducing, such as territoriality or altruism, may become more common over time. Additionally, genetic factors can also play a role in shaping behavior tendencies through evolutionary processes.

Is belief in evolution racist why or why not?

First of all, evolution is not a belief, it is the basis of all biology as well as many other areas of science. It is actually the opposite of racist as it shows us that all humans are related to each other as well as to every other animal. If we harm an animal we are harming our relative.

How did the Zeitgeist contribute to the idea of evolution?

The Zeitgeist, or spirit of the time, during the 19th century was marked by a growing interest in progress, science, and the natural world. This intellectual climate laid the groundwork for the acceptance of evolutionary ideas proposed by scientists like Charles Darwin. The Zeitgeist encouraged the questioning of traditional beliefs and the exploration of new theories, making it more receptive to the concept of evolution.

What is the belief that inequality in society is the result of natural selection based on individual capacities and abilities?

You have two things confused. Societies working this way is the concept of Social Darwinism, a misguided attempt to explain societal differences by some form of group selection. Individuals do vary in their capacities and abilities and this is what natural selection is selecting and you confuse equality of identity with equality of morality under the law.

Is it possible for life to continue and be sustained without evolution?

In the simplest terms, evolution is synonymous with change. Life without change is stagnation; stagnation is the first step on the journey to death.

Try it this way: one of the least avoidable laws of nature and physics is entropy. It cannot be delayed, it cannot be denied. Entropy is change, and is likely a huge component of evolution.

So, short answer, no. Life would end without evolution.

Does Rick Santorum believe in evolution?

Rick Santorum does not believe evolution is a proven fact, and that it should not be taught as such in public schools. In addition, he believes other theories of how the universe came into existence should be taught alongside evolution. He proposed language to the No Child Left Behind Act to that effect.

How is the study of evolution similar to the study of history?

One reason is that you are studying the past and evolution is a poor predictor of what will happen in the future. What is can predict is what is happening now with organisms Just like the study of history except the testable hypotheses that can be generated from the theory of evolution by natural selection are much more precise than historical analysis.