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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 ...
TS
Answered by Tamara S. • Biology tutor
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The line y=5-x intersects the curve y=x^2-3x+2 at the points P and Q. Find the (x,y) coordinates of P and Q.

Step 1: To find the points of intersection, we must find where the y and x values are equal. Therefore 5-x=x 2 -3x+2 where the y-values are equal. Step 2: Rearrange the above into the quadratic equation x 2 ...
GB
Answered by Georgina B. • Maths tutor
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What hormone is involved in the function of the collecting duct in the nephron to retain water?

Recall that the primary hormone involved in water retention is anti- DIURETIC- hormone (ADH). If your rember that diuretic means increased loosing water through urination then you will know that the function...
CM
Answered by Catharina M. • Biology tutor
3789 Views

How should I write a good introduction to an essay?

For an A Level English essay, your introduction should be relatively short and to the point, whilst achieving three objectives. Firstly, you need to show that you understand the question. The examiners will ...
HW
4373 Views

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...
JT
Answered by Josie T. • English tutor
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