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Explain the process of evolution by natural selection

Variation in the population occurs through mutations. Some organisms have advantages that allow them to survive the selective pressure (thus could be Food shortage or predators) Survivors reproduce and pass ...
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Answered by Tamara S. • Biology tutor
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How can I use language analysis in my essay to improve my marks?

Language analysis should feature heavily in the body of your essay, not in the introduction or conclusion. Language analysis can include anything specific about the vocabulary, structure and style of the wor...
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Answered by Josie T. • English tutor
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Please sketch and factorize the quadratic 3x^2+10x+3.

The coefficient - which is a posh word for 'the bit in front' - of x^2 is in this case not 1. Thus, the quadratic formula must necessarily be used. All quadratics come in the form of ax^2+bx+c. Here, a, b, a...
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Answered by Jack H. • Maths tutor
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What main features are there in animal and plant cells? What functions do these elements serve?

Features/organelles present in both animal and plant cells include: the nucleus (where the DNA/genetic information is stored - this controls the activities of the cell), the cell membrane (a thin containing ...
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Answered by Phoebe W. • Biology tutor
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Make F the subject of the formula: C= 5(F-32) / 9

The first step to making F the subject of this formula is multiplying both sides by 9 to get rid of the denominator on the right hand side. Therefore, 9C= 5(F-32) 2. Secondly, we have to divide both sides by...
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Answered by Sofia H. • Maths tutor
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