Top answers


Explain through Darwin's Theory of evolution how species become better adapted to their environment.

Darwin's Theory suggests that all populations have variation between them, this variation is primarily caused by mutations in DNA. If an individual within a species gains a beneficial mutation it will be mor...
CS
Answered by Caitlin S. Biology tutor
3411 Views

What is the difference between nature and nurture?

The nature vs nurture debate is about whether behaviour is caused by our genetics or whether all behaviour is learnt. Genetics refers to our DNA; what we are born with which is determined by our parents' DNA...
LP
Answered by Lisa P. Psychology tutor
7080 Views

Factorise x 2 − x − 12

X 2 - X -12 look at what numbers will add together and make 12. (2x6) or (3x4)Then see what of these combinations, when added together, makes -1. you have to consider that one of these values will be negativ...
VV
Answered by Vicky V. Maths tutor
4898 Views

What actually IS 'differentiation'?

Differentiation is a really common technique in a branch of maths called calculus. The idea is that you have a line on a graph (or a 'function') and we want to know the gradient - the steepness - of that cur...
BT
Answered by Ben T. Maths tutor
3960 Views

Explain how a wave-cut platform is formed - 6 marks

A wave cut platform is formed by the sea attacking the cliff face though different types of erosion e.g. abrasion and hydraulic action. Abrasion is where cliffs are worn down from destructive waves and the t...
JA
Answered by Josh A. Geography tutor
35352 Views