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    which two observations led darwin to conclude that there is competition for survival?

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    Which two observations led darwin to conclude that there is competition for survival?

    Answer to: Which two observations led darwin to conclude that there is competition for survival? The two observations that led Darwin to conclude that there...

    Charles Darwin

    Which two observations led darwin to conclude that there is competition for survival?

    Which two observations led darwin to conclude that there is competition for survival? Question:

    Which two observations led darwin to conclude that there is competition for survival?

    Charles Darwin:

    Charles Darwin was a British naturalist in the 1800's that used observations from his trip to the Galapagos islands to construct his famous theory of evolution. Evolution we now know is a change in the genetic makeup of a population over time and is driven by natural selection.

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    The two observations that led Darwin to conclude that there is competition for survival is overpopulation and limited resources. Darwin noted in the...

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    Charles Darwin: Voyages, Theories & Works

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    Charles Darwin is an English naturalist who is famous for his theory of evolution based on natural selection. Learn about the early life of Charles Darwin, his voyages, works, and theories on natural selection, as well as his late life and death.

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    Which two observations led Darwin to conclude that there is competition for survival?

    Answer (1 of 3): This sounds like an essay question for school I probably should make you look it up. Let’s go to Darwin’s definition of natural selection: > "If, during the long course of ages and under varying conditions of life, organic beings vary at all in the several parts of their organi...

    Which two observations led Darwin to conclude that there is competition for survival?

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    Sort Paul Lucas

    , Ph.D. in Biochemistry

    Answered 2 years ago · Author has 8.3K answers and 6.6M answer views

    This sounds like an essay question for school I probably should make you look it up. Let’s go to Darwin’s definition of natural selection:

    "If, during the long course of ages and under varying conditions of life, organic beings vary at all in the several parts of their organization, and I think this cannot be disputed; if there be, owing to the high geometric powers of increase of each species, at some age, season, or year, a severe struggle for life, and this certainly cannot be disputed; then, considering the infinite complexity of the relations of all organic beings to each other and to thei

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    According to Darwin's rule of natural selection aka survival of the fittest, are the "fittest" species the strongest or the simplest?

    What were Darwin's key observations?

    What are the consequences of the observations made by Darwin?

    How did Charles Darwin come to the conclusion, that Life is survival of the fittest?

    What are 10 significant observations that Darwin made, and why are they important?

    David Donnelly

    , former Risk and Insurance Manager,Mediator,Arbitrator at Gw Sparrows (1971-1984)

    Answered 2 years ago · Author has 2.9K answers and 382.3K answer views

    He was not a mathematician. He appreciated that competition is fundamental. Obviously a big lion is better able to survive than a small one - until game gets scarce which overturns the advantage.

    One of the fundamental flaws in his proposition (in scientific terms it is not a theory) was his assumption that favourable mutations could cause the effect that he wanted to embrace.

    Today we know firstly that only one mutation per thousand is favourable, and to create an eye would need at least three favourable mutations at once, and secondly that a mutation is a loss of information like a typo, and d

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    Ronald J Brown

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    Answered 6 months ago · Author has 26.4K answers and 13.3M answer views

    Which two observations led Darwin to conclude that there is competition for survival?

    Darwin never said that “competition for survival” was a factor. He said that those who are “fittest” survive. “Fittest” is a 19th century way of saying “best suited.” In other words, those who are best at adapting to the environment they find themselves in have a better chance of surviving than those who are not “fit” for the environment. Racists and Nazis pretended this was about brute strength and aggression in order to justify their lunacy.

    Barry Goldberg

    , Read a LOT about evolution and asked even more questions

    Answered Dec 14, 2021 · Author has 10.2K answers and 23.6M answer views

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    According to Darwin's rule of natural selection aka survival of the fittest, are the "fittest" species the strongest or the simplest?

    Aside from the fact that “survival of the fittest” is not actually how Darwin himself described his theory of natural selection, to the extent that it is a valid description you need to think about “fit” less in terms of “physically fit” and more in terms of “a good fitting suit.”

    A good fitting suit is not necessarily stronger or better quality or more expensive than an ill-fitting suit — it just matches your particular body better. Similarly, a species that is “fitter” is simply one that is best adapted to its current environment than other species.

    Michael B.

    , Studied biology at a college level

    Updated 2 years ago · Upvoted by

    David Bahry

    , MSc Evolutionary Biology, Carleton University (2021) and

    Devam Sisodraker

    , studies Science at The University of British Columbia (2023) · Author has 6.1K answers and 62.4M answer views

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    Was Charles Darwin racist?

    By the standards of the 1800s, or by the standards of today?

    By today’s standards Charles Darwin was a racist. No surprise there. He lived in a small, ethnically homogeneous country that only banned race based slavery 24 years after he was born. It’s uncertain how much day to day contact Darwin would have had with anyone that wasn’t white, but it couldn’t have been much. And like most white people of his time he believed that the white race was superior to all the others.

    On the other hand by the standards of his own time Darwin was very progressive. He was an opponent of slavery while it was st

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    Dick Harfield

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    Prior to the publication of Charles Darwin's book, On the Origin of Species, what was the prevailing public consensus regarding species evolution?

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    That species were permanent and unchanging

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    What contribution did Charles Lyell make?

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    He provided the first evidence that the Earth is much older than was previously thought.

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    Prior to the publication of Charles Darwin's book, On the Origin of Species, what was the prevailing public consensus regarding species evolution?

    That species were permanent and unchanging

    What contribution did Charles Lyell make?

    He provided the first evidence that the Earth is much older than was previously thought.

    What prompted Darwin to publish his book decades after he began writing it?

    A colleague (Alfred Wallace) was about to publish a similar manuscript

    Which two observations led Darwin to conclude that there is competition for survival?

    Overproduction and limited resources

    Individuals with variations that make them best suited to their environment will, on average, be more likely to ________.

    survive and reproduce

    Before Darwin published his work, Lamarck and others had suggested mechanisms for evolution. By what means did Darwin propose species evolved over time?

    Natural selection

    Natural selection acts on ________, and ________ evolve.

    individuals; populations

    Can you inherit physical traits that your parents acquired during their lifetime?

    No

    A weed that exhibits resistance to an herbicide ________.

    inherited the gene that made it resistant to the herbicide

    Evolution can be best defined as ________.

    change in allele frequency in a population

    What is radiometric dating?

    The process of determining the age of the fossils from radioactive isotopes

    The older fossils are typically found in the ________ sediments.

    lower

    Which of the following is evidence for evolution?

    1) Bacteria becoming resistant to antibiotics over time

    2) Mosquitoes becoming resistant to pesticides

    3) Cells with common features and chemically similar DNA

    Which of the following are considered to be fossils?

    1) Mineralized bones

    2) Animals frozen in ice or preserved in amber

    3) Footprints or other impressions preserved in stone

    What is the name for the study of the geographic distribution of species?

    Biogeography

    Comparing the body structures of organisms to find evidence of a shared evolutionary history is called ________.

    comparative anatomy

    Comparing DNA and protein sequences to find evidence of a shared evolutionary history is called ________.

    bioinformatics

    If two organisms of different species share more similar DNA sequences with each other than with other species, we can conclude that ________.

    these two species are very closely related

    Human embryos have a developmental stage during which they have a tail and pharyngeal pouches (those pouches develop into gills in fish). How can we explain these characteristics of human embryos?

    Human embryos share a common ancestor who had gills

    What is the fundamental difference between the processes of microevolution and macroevolution?

    Macroevolution is evolution on a scale of separated gene pools. Macroevolutionary studies focus on change that occurs at or above the level of species, in contrast with microevolution, which refers to smaller evolutionary changes

    The modern evolutionary synthesis of the 1930s and 1940s melded together Darwin's findings with ________.

    genetics

    What is the smallest unit that can evolve?

    The population

    Which of the following mechanisms can drive evolution?

    1) Genetic drift 2) Mutations

    3) Natural selection

    What is the original source of variation that natural selection can act upon?

    Mutation

    What defines a population in evolution?

    Interbreeding members of the same species

    Which of the following best defines microevolution?

    Changes in genes within a population over time

    What does "fitness" mean when speaking in terms of evolution?

    How many offspring an individual produces

    What events can lead to offspring having a unique arrangement of their parents' genes?

    1) Independent assortment

    2) Crossing over

    A zombie apocalypse wipes out almost the entire human species before the zombie threat is eliminated. Only a group of 100 people who were at a family reunion on an uninhabited island survived. They returned to the mainland completely unaware of what had happened to everyone. Answer the following question regarding the few survivors that now begin to rebuild the human population.

    Certain traits will have been lost from the gene pool forever. Some may be obvious, like people with red hair or double jointed thumbs. Others will be less obvious, like the ability to process cholesterol or being allergic to peanuts. This loss of diversity in a reduced population is called ________.

    bottleneck effect

    A zombie apocalypse wipes out almost the entire human species before the zombie threat is eliminated. Only a group of 100 people who were at a family reunion on an uninhabited island survived. They returned to the mainland completely unaware of what had happened to everyone. Answer the following question regarding the few survivors that now begin to rebuild the human population.

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