Learning objective
Explain how humans have enhanced food production through various methods, including: (a) using agricultural machinery to cultivate larger areas and increase efficiency, (b) applying chemical fertilizers to boost crop yields, (c) utilizing insecticides to enhance both quality and yield, (d) employing herbicides to minimize weed competition, and (e) practicing selective breeding to enhance production in crops and livestock.
Read the explanation, check the common trap, then practise with flashcards and questions.
Exam focus
- Read the explanation.
- Check key terms.
- Practise with linked questions.
Cambridge IGCSE BiologyHuman influences on ecosystemsCore content