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What factors contribute to phenotypic variation between organisms?

Let us first understand what is meant by the term "phenotypic variation". Simply, the phenotype of an organism is its observable characteristics - like how it looks, how it behaves, and so on. D...

FM
Answered by Faheem M. Biology tutor
16346 Views

How is oxygen moved from the lungs to the blood?

When oxygen reaches the alveoli of the lunngs, it diffuses into the blood. The oxygen enters the red blood cells and combines with the haemoglobin to form oxyhaemoglobin. When the red blood cells reach...

OA
8720 Views

How do I analyse a historical source?

Sometimes when faced with many historical sources at once that all discuss a similar topic, it can be hard to know where to start. By following a simple structure, you can be sure to achieve the best g...

BB
Answered by Beth B. History tutor
4077 Views

Explain the difference between direct and indirect costs.

Businesses have many different costs to pay when running. We can categorise these costs into different categories, such as direct and indirect costs....

BC
Answered by Barnaby C. Economics tutor
4906 Views

Why does HCl dissociate in water but not in methylbenzene?

Water is a polar solvent and methylbenzene is a non-polar solvent. A polar solvent will have positive and negative charge (in water, oxygen is slightly more negative and the hydrogen is slightly positi...

KA
Answered by Kartika A. Chemistry tutor
40691 Views

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