Top answers

Biology
GCSE

How do enzymes react under different temperatures?

A graph would be drawn to show a steady incline to an optimum temperature and then a sharp decrease after the peak.

As the temperature increases the enzyme and sustrate will have more kinetic energ...

GE
Answered by Georgia E. Biology tutor
3147 Views

Why is it important to control body temperature?

Controlling body temperature is important due to multiple reasons. Firstly, it is important to maintain the temprature at which enzymes work optimally. Secondly, it allows for the chemical reactions in th...

AN
Answered by Adriana N. Biology tutor
7555 Views

How is the circulatory system is adapted to give oxygen to the tissues and remove waste products?

The circulatory system is described as being "dual", which means that blood passes through the heart twice for each complete circuit of the body, once to the lungs, and once to the rest o fthe b...

AP
Answered by Andrew P. Biology tutor
14000 Views

Charles Darwin found that finches from different islands had different sized beaks. Explain why one island may have finches with large short beaks and another may have finches with long thin beaks.

The differences in the birds' beaks are due to evolution and natural selection. One island may have an abundance of seeds and nuts which require a large beak to crack them open, meaning that birds with a ...

PB
Answered by Poppy B. Biology tutor
2453 Views

Explain how allopatric speciation can lead to the formation of 2 species from an ancestral species?

The ancestral species is split into two populations by a geographic barrier, which prevents gene flow. Mutations arise which causes genetic variation between the populations. There are different environme...

SH
Answered by Seb H. Biology tutor
2522 Views

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