Search over 10,000 free study notes

This sort of question would usually be a 5 mark question. Speciation is the process of forming a new species. The first stage is when a population is geographically separated so they can no longer interbreed...

Natural selection is part of Charles Darwin's theory of evolution . It is when a species adapts to changes in the environment , allowing them to survive. If natural selection doesn't favour a species, it wil...

Respiration is needed in order for ATP to be produced by the body in order for it to carry out a variety of functions. In order for the process of repsiration to occur oxygen is needed. Oxygen is inhaled and...

The sequence of bases in the DNA determines the exact order of the amino acids in the protein. Every three adjacent bases on the DNA strand, called a codon, encodes a particular amino acid. The DNA cannot le...

(1) A mutation / variation in an individual(2) makes them better adapted to survive in their environment(3) This allows them to reproduce (4) Therefore passing on their genes to the next generation.For examp...