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To protect it from predators in the desert.(: and to reduce the rate of transpiration. In many cases the thorn are formed by the modification of shoot , Thus eliminating the leaves hence the free surface to minimize the transpiration.)

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13y ago
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11y ago

Cactus' leaves are modified into short spikes so as to prevent the excess loss of water through the process of transpiration.....

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13y ago

cactus modifies it's leaves into spines to minimise transpiration

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Q: Why leaves are absent in cactus?
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Related questions

What part of the plant makes food in cactus why?

In cactus leaves are absent. Chlorophyll are found in trunk mainly.


How have leaves of a cactus adapt to the desert?

Leaves have evolved into spines on the cactus.


Example of plants when water is absent?

cactus, ipomea biloba


What do the leaves of cactus helps the cactus?

the leaves of a cactus help get the suns nutrition foe the plant to grow None pretty much and formally proper cactus have no leaves only it's convergently evolved cousins do.


What type of plant has no leaves?

A cactus has no leaves.


What does a cactus use to feed itself?

A cactus draws nutrients and water through the roots. Water is stored in special cells that swell when filled with water. The skin is covered in a waxy film to prevent loss of water by evaporation.


What desert plant has no leaves but has stems and spines?

A cactus has no leaves but does have a stem.


What plant have no leaves?

cactus


Why are cactus leaves tiny?

I think because in a desert, the cactus doesn't find much water. So, to save water it does not expel much water out of itself, and as stomata is responsible for expelling water of the plant, the cactus has less stomata


Does a cactus have leaves?

No. Some may be considered as leaves but not really. Christmas cactus for instance grows in thin segmented stalks reminiscent of leaves. Cactus flowers have petal that are leafy and green like leaves but not really leaves. barrel cactus and saquaros obviously have no leafy protrusions beyond their flowers.


How are a cactus leaves adapted to living in the dessert?

A cactus leaves get sunlight and they make photosynthesis and they get water from that and they save the water


Why cactus have spiny leaves?

a cactus has spiny leaves for protection and so the water wont evaporate so easily.