Plant and animal breeding to improve characteristics

Question 1

Selective breeding

Answer 1

Programmes where only individuals displaying desirable traits will be allowed to breed in the hope that these characteristics are passed onto the next generation.
The aim of this is to provide sustainable food sources due to improved varieties of crops and livestock

Question 2

Characteristics selected for by breeders

Answer 2

Higher yield - increase in mass of food produced by wheat crop
Increase in nutritional value - increase in mass of protein produced by soya bean crop
Pest resistance
Ability to thrive in particular environment