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How would you go about comparing hormonal and nervous responses in mammals?

In questions like this, you must set out your answer clearly (which makes it easier for the marker to give you marks). One way of doing this is writing sentences such as: _____ in the hormonal response, comp...
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Answered by Rachael T. • Biology tutor
6958 Views

What is the Doppler Effect?

The Doppler Effect is the strectching and compressing of waves caused by the movement of the source. Put more simply, when an object emits a sound - say a van beeping its horn it produces a sound of a certai...
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Answered by Sebastian J. • Physics tutor
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Explain the four processes of erosion in rivers.

Hydraulic action: This process involves air particles finding their way into the cracks of rocks. This then causes air particles to compress which adds pressure, causing rocks to break away and erode. Abrasi...
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Answered by Katie J. • Geography tutor
51420 Views

What is mitosis?

Mitosis , or cell division, is a process where a single cell divides into two identical daughter cells . When answering this question it is important to be clear about what is being replicated. Simply saying...
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Answered by Claire H. • Biology tutor
10052 Views

what are the differences between involuntary, cardiac and voluntary muscle?

Involuntary muscle (or smooth muscle) is innervated by the autonomic nervous system and therefore is not under conscious control. It is not striated - rather, muscle cells contain small bundles of actin and ...
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Answered by Dani E. • Biology tutor
50923 Views