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To keep predators away, so it doesn't get eaten like grass.

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14y ago

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Related Questions

Does a cactus have a thorn?

No, a cactus does not have a thorn. A cactus has spines.


Why cactus plant have spines?

they have the spines to protect them from your face


What do you call the sharp point on cactus stems?

The pointy things on a cactus are called spines.


What are the advantages of having cactus spines?

Cactus spines serve several important functions that enhance the plant's survival. Primarily, they provide protection against herbivores, deterring animals from consuming the cactus. Additionally, spines help reduce water loss by breaking up air currents near the cactus surface, creating a microclimate that minimizes evaporation. Lastly, spines can also aid in capturing moisture from the air, contributing to the cactus's overall water retention strategy.


How do the spines on a cactus help it survive?

Spines: Spines help the cactus in several ways. The most obvious use of the spines is for protection against foragers. The cactus basically states "How much pain are you willing to indure to get a drink in this desert?"; Surprisingly, some animals do partake. In some cactus varieties the spines participate in water collection. Water from dew condenses on spines and, in some cactus species, downward-pointing spines help to direct rainwater to the roots of the plant. Spines help to reflect light away from the cactus stem theoretically lowering the stem temperature. Some spines also trap in a layer of air next to the cactus stem preventing loss of water via evaporative cooling.


Can a cactus shoot its spikes at animals?

There is no cactus capable of shooting its spines.


How have leaves of a cactus adapt to the desert?

Leaves have evolved into spines on the cactus.


Are cactus spines alive?

Yes, cactus spines are living parts of the cactus plant. They owe their existence to growth buds on the plant's surface. From the growth buds also come a cactus plant's flowers.


How does a cactus adapt to its environment by losing its spines?

A cactus adapts to its environment by losing its spines to reduce water loss and protect itself from animals.


What are the quills attached to on a cactus?

The 'spines' of a cactus attach directly to the stem of the plant.


What do all cacti have?

All cactus have spines.


What is the effect when a cactus stings you?

When a cactus "stings" you, it releases tiny hair-like spines called glochids that can embed into your skin, causing irritation and pain. These spines can be difficult to remove and may lead to swelling, redness, and itching at the site of contact. It is important to carefully remove the spines to prevent further irritation or infection.