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Evolution

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

5,264 Questions

The final stage in the evolution of the most massive stars is an?

The final stage in the evolution of the most massive stars is a supernova explosion, where the star collapses and then rebounds in a powerful explosion. This explosion can lead to the formation of either a neutron star or a black hole, depending on the mass of the collapsing core.

How do fish adapt to their environment?

Fish adapt to their environment by having a streamline body to cut through the water, they have gills to help them breathe under water and some fish even use camouflage to disguise themselves underwater.
they have nice slim bodies to dart around in the water and they have gills to help them breath in the water they also have little pads behind their fins to protect them from flying bits of rock because that's the only place were they don't have gills

What evidence of evolution can be found in the geographic distribution of living animals?

All organisms are adapted to their environment to a greater or lesser extent. If the abiotic and biotic factors within a habitat are capable of supporting a particular species in one geographic area, then one might assume that the same species would be found in a similar habitat in a similar geographic area, e.g. in Africa and South America. This is not the case. Plant and animal species are discontinuously distributed throughout the world

What is the Theory of the 42s?

The Theory of the 42s is a concept stemming from Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series where the number 42 is given as the "Answer to the Ultimate Question of Life, the Universe, and Everything." It humorously implies that the answer is not as important as understanding the question itself.

What are facts that can prove evolution is not real?

Dr. A.J.E. Cave gave a paper at the International Congress of Zoology in 1958 in which he concluded that a skeleton found in France was not an Neanderthal but was of an elderly human who suffered from arthritis. The implication is that Neanderthals never existed.

World population growth rate in recent times is about 2% per year. Practicable application of growth rate throughout human history would be about half that number. Wars, disease, famine, etc. have wiped out approximately one third of the population on average every 82 years. Starting with eight people, and applying these growth rates since the Flood of Noah's day (about 4500 years ago) would give a total human population at just under six billion people. However, application on an evolutionary time scale runs into major difficulties. Starting with one "couple" just 41,000 years ago would give us a total population of 2 x 1089. 9The universe does not have space to hold so many bodies.

Which answer is correctly punctuated?

The version of your answer that accurately follows the rules of punctuation is: The cat is sleeping.

Who is known as the Father of Evolution because of his significant contribution to the Theory of Evolution.?

Charles Darwin is known as the Father of Evolution for his groundbreaking work on the theory of evolution through natural selection, which he published in his book "On the Origin of Species" in 1859. Darwin's ideas revolutionized the field of biology and greatly influenced our understanding of the diversity of life on Earth.

Condition #2 of Darwin's Theory of Natural Selection by Descent with Modification states?

Survival and reproduction are non-random, with individuals possessing advantageous traits tending to survive and reproduce at higher rates. This leads to the accumulation of beneficial traits in a population over generations.

What evidence do we have of evolution?

Evidence of common descent of living organisms has been discovered by scientists researching in a variety of disciplines over many decades, demonstrating that all life on Earth comes from a single ancestor.

How might extinctions affect the evolution of organisms that survive the event?

The role of mass extinction in evolution. At the most basic level, mass extinctions reduce diversity by killing off specific lineages, and with them, any descendent species they might have given rise to. ... But mass extinction can also play a creative role in evolution, stimulating the growth of other branches.

The independent evolution of similar traits in organisms is caused by?

Convergent evolution, where unrelated organisms independently evolve similar traits to adapt to similar environments or ecological niches. This occurs due to similar selective pressures driving specific adaptations, leading to the development of analogous structures or functions in different lineages.

What is difference between systematics & taxonomy?

Systematics: 1. Does not change with change in theory.
2. It deals with classification and evolutionary history.

  1. It remains same with time .

Taxonomy: 1. It changes with change in theory.

  1. It deals with classification of oraganisms only,yet not evolutionary history.

  2. It doesn't remain same with time.

What are some examples of selective pressure?

Examples of selective pressure include predators preying on specific traits, competition for resources driving evolution towards efficiency, and environmental changes favoring certain adaptations over others.

Will Christians ever accept that evolution is real?

Some Christians already accept evolution as compatible with their faith by interpreting the Bible allegorically. However, there will always be variations in beliefs among individuals and denominations. Acceptance of evolution may continue to grow as scientific evidence becomes more widely understood and embraced within the Christian community.

What is the goal of evolution?

In the short, intermediate, and long term, the function of evolution is the survival of the species or genera.

In the very long run, thermodynamics tells us that entropy will ensure that there are no energy sources available - all the bits will be equal.

Whether entropy applies to information is a thought worth perusing.

What are the evidence of evolution?

New since when?

The answer may include anything from new palaeontological evidence (eg. fossils and such) to new geophysical findings to the advent of genetics and new findings in the fields of genetics and genomics to the latest findings based on the mathematical modelling of population dynamics and population genetics, and so forth, and so on.

Perhaps a more specific question might help.

What are examples of structural evidence of evolution?

Examples of structural evidence of evolution include homologous structures, which are similar in form and function but have different evolutionary origins, and vestigial structures, which are remnants of once-functional features that have no purpose in the current species. Another example is the fossil record, which shows transitional forms that demonstrate gradual changes in species over time.

What evidence is used to refute theory of evolution?

There is no evidence that refutes the theory of evolution by natural selection. Critiques and arguments by creationist and ID advocates are always poorly thought out and easily shown to be wrong by even undergraduates. The arguments use straw men and other fallacies plus they have been refuted so many times that to bring one of these arguments up is to self parody.

What process is responsible for genetic variation?

The process responsible for genetic variation is genetic recombination, which occurs during meiosis when genetic material is exchanged between homologous chromosomes. Mutations, which are changes in the DNA sequence, also contribute to genetic variation.

How is natural selection related to evolution?

Natural selection is the driving force for evolution. Evolution was not first proposed by Charles Darwin. There had been many observations found pointing to the idea long before Charles Darwin. His grandfather, Erasmus Darwin, had proposed evolution 75 years before Charles Darwin first Published his book, "On the Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life". Before this, it has been thought evolution took place as a conscious effort by species to adapt to their environment. Charles Darwin gave us the driving force to evolution, "Natural Selection". Natural selection needs several things to occur. First, there must be a variation within each species. Second, there must be a high enough Death Rate to prevent the variations which are not well adapted to die before individuals pass their characteristics on to the next generation. A giraffe with a slightly longer neck will survive better and so its offspring will have a slightly longer neck and they will also survive better. Those with slightly shorter necks will find it harder to survive, or will even die, and will not breed so well. In this way, giraffes developed long necks to reach the food they need. The trouble is, there are problems with having really long necks. Blood pressure and supply is one of them so giraffes have evolved a special organ between the blood supply and brain to prevent this. A giraffe's neck has become the ideal length to survive on the plants they eat.

What is the relationship between evolution and genetics?

mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable

Why is Darwin's theory of evolution important?

Many of its advocates zealously consider Darwin's theory as fact, and they may be a little overly enthused. The theory may prove, as it has so far, difficult to topple, or it may come crashing down with some new insight. Only time will tell. But it is really important for other reasons. Darwin came upon the scene rather explosively, and made it respectable to question on the most basic levels ideas that up to his time were considered the exclusive province of religion. Not only that, but his ideas inspired many to consider disciplines unrelated to Biology in a whole new light.

The fascinating and important creative dialogues and tensions between religion and the philosophy of science are, theoretically and ideally, never completely at odds. This is true because science properly done can never, in the long run, refute the fundamental truths that are genuinely established through faith and sacred writ. These dialogues always serve to keep ethical scientists on their toes, and they help in the completely clear and objective interpretation of observed and generated scientific data.

What is a mutation and how does it relate to evolution?

A mutation is a change in the DNA sequence of an organism. Mutations are sources of genetic variation, and they can drive evolution by introducing new traits that may be advantageous, neutral, or harmful in different environments. Over time, beneficial mutations can be selected for, leading to changes in the population and contributing to the process of evolution.