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How does speciation occur?

Speciation can be s ympatric (both populations in the s ame place ) or allopatric (populations in different places ). Speciation can result from natural selection and isolation. Natural Selection:1) A new se...
NG
Answered by Nicholas G. • Biology tutor
4199 Views

How to "Analyse the given poem for the theme of death by exploring the metaphors and other literary techniques".

Firstly, we would go over the poem and discuss it to make sure we understand the poem. We would then go back to the question and underline the parts of it that are important, for example "death", &...
RV
Answered by Robine V. • English tutor
2255 Views

How does the xylem structure of the plant help transpiration?

Firstly I would discuss with the student what transpiration is and what xylem vessels are. Transpiration is the inevitable consequence of gas exchange in the leaf causing water to be transported through the ...
RV
Answered by Robine V. • Biology tutor
4782 Views

How do you structure an essay in French?

Writing an essay in French can be a daunting task but it can be treated in the same way as writing an essay in English or any language. You must have an introduction, main body through which you explore and ...
KR
Answered by Krishmeela R. • French tutor
3032 Views

Explain the sequence of events that occur in the control of the cardiac cycle.

The sino-atrial node depolarises which causes a wave of excitation to pass through the atria (right prior to left) before reaching the atrio-ventricular node. The wave of excitation causes systole of the atr...
HG
Answered by Hannah G. • Biology tutor
8660 Views