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The development of palm oil plantations in Sumatra has removed areas of forest that provided the habitat for tigers. Explain why planting strips of trees to link the forests would have an effect on the frequency of genetic disorders in these tigers.

Areas of trees linking the remaining patches of forest will mean that the populations of tigers are no longer geogrpahically isolated. therefore they will be able to breed with a larger gene pool and the num...
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Answered by Ella S. • Biology tutor
3309 Views

Find the indefinite integral of ( 32/(x^3) + bx) over x for some constant b.

To integrate (32/ x 3 + bx) over x we can integrate each part separately. This is because addition of two integrals is the same as integrating the total of the elements. So we integrate 32/x 3 first, see tha...
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Answered by Becky O. • Maths tutor
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How do viruses cause disease?

A virus is an example of a pathogen. Pathogens also include bacteria, fungi or protists, and all are capable of causing infectious disease. Viruses are very small, much smaller than bacteria. They consist of...
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Answered by Kavindi G. • Biology tutor
13711 Views

Explain how changes to the guard cells on the warm day help the plant to survive

the points you need to get accross here are; -on a warm day, there will be more evaporation from the plant, -therefore the guard cells will close around the stomata so that the plant will not lose too much w...
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Answered by Ella S. • Biology tutor
16672 Views

What is the doctrine of precedent? / What are its advantages and disadvantages?

A doctrine or policy by which the lower courts in hierarchy are required to follow rules or principles laid down in previous judicial decisions by higher Courts. (Latin: 'stare decisis' - to stand by decided...
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Answered by Constantina L. • Law tutor
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