12. What stimuli do plants respond to?
13. How do plants respond to their environment?
14. Why do farmers and gardeners use plant hormones?
This tutorial takes you through everything you need for the plant hormones section of AQA GCSE Science A and Biology.
A GCSE science video to help you revise for science exams, about how plant hormones, in particular auxin, can control two aspects of plant growth and how plant hormones can be used artificially to grow new plants or to kills weeds.