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What is 'survival of the fittest?'

1. What is ‘survival of the fittest’? - ‘Survival of the fittest’ is a phrase way to describe the principle behind the theory of evolution by natural selection, originally proposed by Charles Darwin in 1859 ...
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Answered by Radoslaw K. Biology tutor
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How are different species formed?

For a new species to form, first 2 groups of animals or plants must become physically spearated to form 2 different groups. Each group will have genetic variation within the group meaning that there is a wid...
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Answered by Susannah R. Biology tutor
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What is an enzyme? And what things can affect them?

An enzyme is a substance produced by a living organism than enables reactions to happen faster or more efficiently. Each enzyme has a specific shape called an active site which a certain molecule can fit int...
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Answered by Susannah R. Biology tutor
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Describe the basic structure of a DNA and complementary base pairing.

DNA is a large polymer consisting of two DNA strands that form a double helix. Each strand is made up of bases. In DNA, there are four different bases: Adenine, Thymine, Cytosine & Guanine Pairs of bases...
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What is an Extremophile?

An extremophile is an organism that can live in extreme conditions such as high temperatures, high pressures and high acidity. An example of an extremophile is Giant tube worms. They live miles beneath the o...
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Answered by Emily O. Biology tutor
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