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Using your knowledge of natural selection and speciation, suggest how new species can evolve from the same common ancestor.

Speciation requires reproductive isolation. This is where the members of different populations are unable to interbreed to produce fertile offspring.Reproductive isolation could have been caused by a phys...

Answered by Biology tutor
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How should I approach an unseen poetry question in AQA English Literature GCSE?

For the first question: "In ‘Poem ABC’, how does the poet present XYZ?"The key word in this question is 'how' - this means you should focus on the methods the poet uses. Read the poem t...

ML
Answered by Miriam L. English tutor
3908 Views

A cylinder has radius 2cm and height 9cm. A cone has radius r cm and height h cm. The ratio r : h is 1 : 4. The volume of the cone is equal to the volume of the cylinder. Work out the value of r.

Firstly, we will find the volume of the cylinder using the formula V_cylinder =π r2h . Inputting the numbers given in the question gives V_cylinder = 36π.Given that V_cylinder = V_cone, and usi...

AC
Answered by Alice C. Maths tutor
6692 Views

What is the role of ADH in the regulation of water in the body (osmoregulation)?

ADH (anti-diuretic hormone) is released by the pituitary gland in the brain. Differing amounts of ADH are secreted by the pituitary gland depending on the concentration of water in the blood plasma, which...

LM
Answered by Laura M. Biology tutor
7664 Views

"Horatius pontes multas horas defendebat" Please explain how you would translate this sentence.

  1. It is best to identify the Subject, Object and any Verbs of the sentence first.
    2) In this instance the Subject, in the Nominative case, is Horatius, the Object, in the Accusative case, is pont...
Answered by Latin tutor
2831 Views

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