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Describe the process of primary succession

Primary succession is the change in an ecosystem from bare ground to a stable, complex ecosystem. Pioneer species are the first to colonise this bare ground, with adaptations to the harsh, low-nutrient condi...
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Answered by Max R. • Biology tutor
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Explain why first ionisation energy decreases down a group.

As you go down the group, ionisation energy decreases because there are more electron shells and shielding increases, therefore the outer electron is further away from the positive nucleus and is less strong...
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Answered by Ifsa A. • Chemistry tutor
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To what extent is the power of the British Prime Minister limited by the cabinet?

In recent decades, the changing management of the cabinet by the Prime Minister has led to the restraining power of the institution to be reduced. By holding smaller 'kitchen' cabinets, or getting ministers ...
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What is the difference between mitosis and meiosis

Mitosis is a type of cell division that results in two daughter cells being genetically identical to their parentMeiosis is a type of cell division that results in two daughter cells with different genetic m...
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Answered by Cecilia O. • Biology tutor
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The British Constitution provides effective protection for the rights of UK citizens. Discuss.

One argument to suggest that the constitution does effectively protect the rights of UK citizens is the Human Rights Act 1998. This act was inspired by the European Convention of Human Rights and outlines th...
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