Question

give the mechanism shown by acacia, cactus and calotropis to protect themselves​

Answer 1

Answer:

(a) Cactus leaves (Opuntia) are modified into sharp spines (thorns) to deter herbivores from feeding on them. (b) Sharp thorns along with leaves are present in Acacia to deter herbivores. ... (a) All parts of Calotropis weeds contain toxic cardiac glycosides, which can prove to be fatal if ingested by herbivores.