Top answers

All subjects
All levels

Why is genetic diversity decreased when populations are split off from one another?

This question is all about genetic diversity and more specifically how difference in alleles is what creates diversity within a population of a species. (here I would ask about whether the student underst...

BJ
Answered by Ben J. Biology tutor
2305 Views

What is the effect of an indirect tax on the cigarette market?

Cigarettes are considered a demerit good since its consumption has a negative impact on the consumer. The product then results in an external cost as it becomes a cost for a third party as a result of an ...

Answered by Economics tutor
12364 Views

Describe how selective breeding could be used to improve the quality of milk produced by cows (4 marks)

Farmers could keep information on their cows such as the milk yield of a bull's mother and daughters in order to select ideal bulls as male parents. These bulls would then be allowed to mate with (unrelat...

AT
Answered by Adam T. Biology tutor
11014 Views

What are economies of scale?

Economies of scale are when increasing output leads to lower long-run average costs- meaning that when a business increases production, their average costs decrease
There are several types of economy...

Answered by Economics tutor
1783 Views

What is the difference between primary and secondary effects of an earthquake?

Primary effects occur immediately, as a result of the earthquake itself. Example of primary effects include buildings and bridges collapsing and death and injury to people. Secondary effects can occur fro...

Answered by Geography tutor
37659 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning