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Insects became resistant because the insecticides were used on the continuously. Most insects will die at first, but there will be some that have the right genetics to resist that insecticide. When that happens the insect will the favorable gene reproduces and creates more insects that are resistant.

Humans promoted this evolution by using the same insecticide on the insects.

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How did the formation of Pangea affect the evolution of life forms?

The formation of Pangea created a single supercontinent which impacted the distribution of species by isolating them, leading to evolutionary changes and adaptations in response to different environments. This isolation also promoted the diversification of new species as they evolved separately across distinct regions on Pangea.


Survival of the fittest is an idea promoted by?

The phrase was coined by Herbert Spencer and Darwin used it in later editions of his work, '' On the Origin. " Not in the definitive first edition though.


Bone mass reduction is promoted by which hormone?

Bone mass reduction is primarily promoted by the hormone called parathyroid hormone (PTH). This hormone is released by the parathyroid glands and is responsible for regulating calcium levels in the body. High levels of PTH can lead to increased breakdown of bone tissue, resulting in bone mass reduction.


What conditions may have promoted bacterial growth?

warm , dark and moist conditions.


Why do scientists call evolution a theory?

Because it cannot be proven or replicated.AnswerIn science, a hypothesis is a good idea, a possible explanation, which might be right and might be wrong. Hypotheses can be refuted by experimentation. If the expectation from the hypothesis is not met by the outcome of experiment, the hypothesis is refuted. The longer a hypothesis survives unrefuted the more confidence we have in it. Evidence can support a hypothesis. The more evidence one has in support of a hypothesis, the more grows our confidence in it. Within the philosophy of science of Karl Popper, a hypothesis cannot be proven, but one can have a mighty amount of confidence in one, proportional to the amount of evidence in support of it. Unrefuted and with backing evidence, a hypothesis is promoted to a theory! A theory is better than a hypothesis. Evolution has much evidence from comparative genetics, comparative morphology and the fossil record. Evolution was once a hypothesis. Darwin collected a large mass of evidence for On the Origin of Species and now we have evidence from Mendelian genetics and comparative genetics, which Darwin knew nothing of. We now have a greater fossil record than Darwin did. There is far more evidence these days (for what is now called Neodarwinism or the Modern Synthesis- the combination of genetics and Darwin's basic 1859 ideas) than there was in Darwin's time. Evolution now has so much evidence that it is best to call it a theory, rather than a hypothesis. Yes, theories are unproven, but in Popperian philosophy of science they cannot be proven. Theories survive refutation and have much evidence and explain a lot. Biology regards evolution as its baseline, its most important idea ever. It might only be a theory of which we can only be 99% confident, but it explains everything so well that most biologists should better call it a fact rather than a theory. Evolution is such a good theory that its pedantic differentiation from 'fact' is entirely unnecessary.

Related Questions

Humans have promoted the evolution of insects that are resistant to insecticides by?

trying to control pests with chemical


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No, it is not. The "question word," why, should be at the beginning of the sentence. Why was she promoted?


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The survival of the fittest is an idea promoted by c) Charles Darwin. He introduced the concept through his theory of evolution by natural selection, which suggests that organisms best adapted to their environment are more likely to survive and reproduce.


When pawn is promoted do you get one move before he can be captured?

A promoted pawn can move on it's next turn .


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It has promoted peace in entire world.


How was Michael Jackson's album Bad promoted?

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What is a promoted question on WikiAnswers?

Promoted questions are questions chosen by the WikiAnswers team to be promoted. This list is different than the Featured Questions list.


When will be the pawn will be promoted in the last Eight square?

It is promoted immediately as soon as it arrives.


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It helped us to understand how the world came to be and how we arrived in the world.