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How does natural selection occur?

There are two important terms to understand (and state in an exam!) to answer this question. 1) Genetic diversity = the number of different alleles of genes

TW
Answered by Tess W. • Biology tutor
4884 Views

Why do insects and other animals need developed transport systems?

They have a high metabolic rateAs a result, they have a high oxygen and glucose demandDiffusion is not efficient alone as it is too far

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Answered by Freya B. • Biology tutor
4398 Views

(AS Art and Architecture) - What is the significance of the Kritios Boy as a transition piece between Kouroi and Bronze Sculpting.

The Kritios Boy is important as it represented all the fundamental flaws presented with the 'Kouros type' sculpture. For example, the Kritios Boy is attempting to breach realism and does this through a sl...

AA
2473 Views

Describe the sequence of events of the clotting cascade that will lead to a blood clot in a damaged blood vessel

Thromboplastin is released from damaged tissue and platelets, which activates an enzyme that catalyses the conversation of the protein prothrombin to thrombin. This occurs in the presence of Calcium and V...

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Answered by Laura T. • Biology tutor
4789 Views

When writing an essay, how would you best prepare an outline?

For the purposes of detailing how to best prepare an essay outline, I will be using the question "Discuss the theme of 'ghosts' in John Donne's poetry" as an example. Once you have chosen your q...

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Answered by Blandine H. • English tutor
1254 Views

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