IB Biology HL C4.1.18 Allelopathy and Antibiotics Topic Practice

a. allelopathy uses secondary metabolites/chemicals/allelopathic agents to impact other (nearby) plants;

b. named plant with action;

c. prevents germination/growth/reproduction of other plants / is toxic to other plants / other verified result;

d. increases the resources (soil/water/sunlight/etc.) available for growth/survival/reproduction;

e. may impact plant community structure / become invasive;

Question asks for a named example.

Marking guidance:

Maximum of 2 marks if an example is not given.

3
max