Question

Why are the leaves in a cactus plant modified to form spines?How,the,does the plant make food ?​

Answer 1

Answer:

The leaves of the cactus are modified as spine because it has adapted the dessert & so that it can survive for long & by the process of photosynthesis & big parts. It store water & make energy.

Answer 2

Explanation:

The spines present on Opuntia represent the reduced leaves. The leaf parts become modified into spines in order to protect the plants from grazing animals and excessive transpiration.

They contain chlorophyll and in the presence of sunlight, water and nutrients of soil, leaves make food for plants. ... In different species, spines work the way the leaves do. Unlike other plants, cacti do not make food in leaves. Instead they manufacture food in their thin green outer layer of stem.