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Explain how Natural Selection occurs?

Random mutations with a certain species genetic pool will lead to variation within the species. These variations can lead to certain organisms adapting to their environment better. The fittest will survive (...
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Answered by Rhea M. • Biology tutor
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How should I analyse an unseen poem?

The most important thing to do when faced with an unseen poem is to not panic; so long as you pick all you can out of the poem, you will have done what you need to do. First, read the poem through completely...
LC
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What are the differences between transcription and translation?

Genetic information is stored within DNA in short sections called genes which contain the instructions needed to make a protein. DNA is a very large molecule and cannot exit the nucleus of the cell. Transcri...
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Answered by Matthew M. • Biology tutor
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In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?

17=2018= 20 x 2 = 4019 = 40 x 2 =801-3/5 = 2/52/5 x 80 = 32
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Answered by Lorna P. • Maths tutor
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In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?

Firstly the number of teachers doubles every year, so how many teachers are there in 2019?2017 = 202018 = 20 x 2 = 402019 = 40 x 2 = 80If 3/5 of the teachers are female what fraction are male?1/1-3/5 = 2/5Ex...
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Answered by Lorna P. • Maths tutor
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