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Biology
GCSE

What is the difference between mitosis and meiosis?

Both mitosis and meiosis are methods of cell division. Mitosis is cell division where the DNA of the parent molecule is duplicated then split into 2 identical daughter cells. Mitosis is split into 4 stage...

Answered by Pavan C. Biology tutor
1925 Views

How does binocular vision help people judge distances?

Monocular vision (1 eye): Allows us to see 2D images in motionSuitable for short distances but not for long Binocular vision (2 eyes): Allows for depth perception through something called stereopsis (comb...

Answered by Aanchal G. Biology tutor
2594 Views

Human body temperature is kept within a narrow range. When the core body temperature is too low, this is detected by the thermoregulatory centre in the brain. Describe how the body responds when a decrease in core body temperature is detected.

Human body temperature is maintained at around 37oC through homeostasis. This monitors the core body temperature through

Answered by Oliver P. Biology tutor
5987 Views

Explain what eutrophication is and how it is caused

Some farmers use too many fertilisers, so when heavy rain comes, these can run off the fields. This then pollutes nearby streams and rivers, leading to eutrophication.
The process of eutrophication ...

Answered by Abdullah T. Biology tutor
3112 Views

Describe why organisms may become extinct due to a change in the climate

Species like polar bears might go extinct if, for example, sea level rise drastically decreases the size of their territory meaning they have less area to roam, hunt and mate in so they cannot reproduce f...

Answered by Lucy E A. Biology tutor
2657 Views

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