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What exactly is Natural selection?

Natural selection is the concept that individuals in a population that are best adapted to their environment are most likely to survive and succeed to breed and produce offspring. In turn, the offspring w...

JK
Answered by Joel K. Biology tutor
2841 Views

Solve( 3x−2)/4 −(2x+5)/3= (1−x )/6

Firstly, take a common denominator for the left hand-side of the equation which would be 12 and then carrying out the subtraction. After carrying out the subtraction you will be left with two fractions - ...

WR
Answered by Wahid R. Maths tutor
4886 Views

What is meant by the term mutation?

It is a random and spontaneous change to DNA that can be inherited. Most mutations have no effect on the phenotype, however some have a small effect and rarely do some have a significant effect.

SS
Answered by Sebastian S. Biology tutor
3179 Views

Given X + 3Y = 19 and 2X - Y = 10, find X and Y

This is a simple simultaneous equationFirst we multiply the second equation by 3 to get 6X - 3Y = 30Then we add the first and second equation together to get 6X + X +3Y - 3Y = 30 + 19which we simply to 7X...

GV
Answered by Guillermo V. Maths tutor
3402 Views

Whats a useful tool for analysing the speaker of a text?

One nifty way of approaching this board topic is by focusing on how the speaker narrates by examining their writing style. An interesting line of enquiry is asking yourself: are the sentences they use sim...

CD
Answered by Charlotte D. English tutor
2433 Views

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