Responding to the environment -  defence  mechanisms - chemicals, thorns
Channel: Derek Keats
Date: 2012-07-30

This video is targeted at the South African Grade 12 CAPS syllabus, STRAND 2:LIFE PROCESSES IN PLANTS AND ANIMALS, TOPIC: Responding to the environment - plants. It deals with Plant defence 
mechanisms: chemicals, thorns. It is one of a set of short videos that cover this topic, and is designed to be used in an online course within the Chisimba eLearning platform. Although it is targeted at the CAPS syllabus, it can be used with the current grade 12 syllabus as well