Question

what is the modification of cactus??

Answer 1

Leaves are reduced to spines (thorns) held to reduce transpirational losses in the plant

Answer 2

Answer:

In cactus, you can find epidermis and this is ephemeral tissues that can functions only few months. Ephemeral on the leaves can stay from spring to autumn, but in the case of cactus, ephemeral can stay for longer period. Almost all cacti are tan color or dark and huge amount of barrel cacti can live on the cantus for many years.