Speciation (4.4)

Question 1

Give the definition of a gene pool

Answer 1

the stock of different genes in an interbreeding population

Question 2

Give the definition of selection pressure

Answer 2

Any cause that reduces or increases reproductive success in a portion of a population potentially exerts evolutionary pressure, selective pressure or selection pressure, driving natural selection

Question 3

Give the definition of evolution

Answer 3

the process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth

Question 4

Give the conditions necessary for evolution to take place

Answer 4

Variation, heredity, means of evolution

Question 5

Explain the generic principles of evolution via natural selection