B13

Question 1

What are the four steps in the natural selection process?

Answer 1

Variation.
Competition.
Survival of the fittest.
Reproduction/inheritance

Question 2

What happens at the first stage of the natural selection process?

Answer 2

There is variation in every population due to mutations (lots of different alleles). This leads to a range of phenotypes.

Question 3

What happens at the second stage of the natural selection process?

Answer 3

Individuals within a population

Question 4

What is genetic engineering?

Answer 4

A technique where a gene can be taken from one organism and placed into another to give a desired characteristic.

Question 5

What is an example of how animals have been genetic engineered?

Answer 5

Jellyfish.

Question 6

What is an example of genetically engineered plants?

Answer 6

Rice plants.