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Cactus stems are very thick because they store water.

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7y ago
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11y ago

Its an adaptation to mean that they can store more water as they live in hot and dry landscapes like the desert.

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Q: Why are cactus stems usually very thick?
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Related questions

Do cactus wrens live in the desert?

Cactus wrens usually nest in the cholla cactus. This very spiny cactus provides protection for their eggs and young from predators such as snakes.


How does a Crimson Hedgehog Cactus survive?

Because the Crimson Hedgehog Cactus' stems are so closely packed together, it can keep warm in very cold weather. http://site2.wikianswers.com/templates/images/saveBtn_enable.gif?v=45187


How do desert plants hold onto water?

They either store it in their trunks/stems like the baobab tree or the cactus. Or, they just need very little of it to survive.


What are facts about the crimson hedgehog cactus?

The Crimson Hedgehog Cactus stems are closely packed together, it can keep warm in very cold weather and this also reduces surface area through which it can lose heat. It plant grows in deserts. It has spines. It grows in clumps. The clumps have a few to a hundred stems. The stems of this cactus are shorter and more tightly packed together than other hedgehog cacti. They use the cool night temperatures to exchange oxygen and carbon dioxide. During the day they do their photosynthesis, but they keep their stomata closed so they won't lose any moisture.


How does the roots of a cactus adapt to the desert?

Cactus roots have adapted by burrowing deep to reach water that is not quickly evaporated by surface heat. The stems grow very thick to act as a sort of insulation against evaporative loss. And the leaves have evolved as needles which have a low surface area to reduce evaporation and to deter animals and insects that would pierce the stem to suck moisture from the plant.


Is their a problem when a guy sperm comes out very thich?

No, it usually is thick


Crimson Hedgehog Cactus?

The Crimson Hedgehog Cactus stems are closely packed together, it can keep warm in very cold weather and this also reduces surface area through which it can lose heat. It grows in deserts. It has spines. It grows in clumps. It doesn't have to have water to make it grow. The clumps have a few to a hundred stems. The stems of this cactus are shorter and more tightly packed together than other hedgehog cacti. They use the cool night temperatures to exchange oxygen and carbon dioxide. During the day they do their photosynthesis, but they keep their stomata closed so they won't lose any moisture.


How many different types of cactus plants are there?

There are 1500 to 1800 different species of cacti, divided into four subfamilies, Cactoideae (which tend to be column-like), Opuntioideae (the prickly pears, which have paddle-like bodies), Maihuenioideae (members of the genus Maihuenia, which form shrubs composed of pincushion-like bodies), and Pereskioideae (the rose cacti, genus Pereskia, which are tropical vines with thin, woody stems and very large leaves).


How do cacti adapt?

Cactus plants adapt by making changes within themselves that help them better survive in such extreme environments as the desert and the jungle. For example, jungle cactus plants adapt by not growing on the darker forest floor. Instead, they grow high up on tree trunks or branches. This is because they have plenty of access to water in the hot humid tropics. But the thick tree canopy allows for filtered, not direct sunlight. The jungle cactus plants therefore don't grow out of soil. They likewise locate themselves closer to what's in short supply in the thick, dark jungle: sunlight.Desert cactus plants adapt by growing thick stems above ground and shallow, fibrous roots below ground. Also above ground are modified leaves in the form of thorns, spines, quills or needles. The thick stem is used to handle, process and store water, dissolved nutrients, and energizing photosynthetic products. The very thin modified leaves channel atmospheric water from dew, rain or snow to the ground, from which the drops seep into the soil to be taken up the cactus roots.


How to spell cactus?

Cactus is the correct spelling.Some example sentences are:He sat on a cactus yesterday.The cactus is a very prickly plant.This soup has cactus in it.


How the stem of a cactus plant help the plant to survive?

The stems of cacti are specially adapted to store vast amounts of water for the plant, as well as its food. The stems are also covered with spines or thorns: this dissuades animals from eating the plant. The stems also have a waxy coating which reflects the sunlight to further reduce water loss.


What is the singular of the word cacti?

Cacti is plural form for the singular cactus.