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Leaflessness is a cactus adaptation to handle dry, hot parts of the world where excessive water loss is a constant worry. Instead, a cactus may have needles which have a far smaller surface from which water evaporates. Mighty stems are another cactus adaptation. The stems have big, thick walls on the outside to lose as little water as possible to evaporation. They're thick with fleshy tissue on the inside to store water, minerals, and energizing food from the photosynthetic interaction with sunlight. Ribbing is still another cactus adaptation. The ribs make for a contractable or expandable stem size. The stem sinks in with lower levels of stored water. That decreases the surface area from which precious water evaporates. The stem fills out with greater water levels. Shallow roots are yet another cactus adaptation. Cactus roots are close to ground level to take in rainfall and water that gets into the soil.

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โˆ™ 2009-09-13 04:13:00
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Q: How is a cactus adapted to excessive water loss?
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Related questions

How are cactuses adapted to reduce water loss?

well its the spikes on the cactus


How is a cactus plant adapted to living in its desert habitat?

A cactus is adapted to living in the desert because it has no leaves and a small surface area so it reduces the water loss and a thick stem to store water in a drought. A cactus has very long roots to absorb water very quickly and spikes to stop animals from eating it.


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Cactus have a waxy layer on them to prevent water loss and reduce transpiration


How are cactus adapted to survive in a desert?

the plants growing in deserts have adaptations to prevent water loss for example cactus: 1. has no leaves to prevent water loss through transpiration. 2. stem is modified in such a way that it performs photosynthesis. 3.root system is well developed and grows in deep in search of water.


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Does cactus have water in it?

the cactus includes small and spiky leaves that reduce evaporation of water. It also prevents loss of water. The cactus has also a thick and juicy stem that stores water.


How do you prevent excessive body water loss?

Excessive body water loss is caused by sickness, sweat, or exhaustion. The body’s energy reserves should be used in increments in order to prevent excessive water loss. If all else fails, drink extra water.


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How the cactus has adapted to the desert?

Cactus's have many adaptions to survive in dry, hot regions. Such as: - Being greyish/silver in color: To reflect heat of the sun and reduce water loss - A swollen stem: To store water - Rolled up leaves (only in certain cactus's) to reduce surface area that is exposed to the sun, therefore preventing water loss - Covered in thorns: Helps protect the plant from animals trying to eat it Hope that helps!


How is a cactus adapted to its environment?

by dancing here and therIt has shallow roots that are spread out so that it can receive as much water as it can after a rainfall. It has 'thorns' that prevent animals from eating it. It also has a waxy covering to prevent water loss.


How has the barrel cactus adapted to the desert?

Barrel shaped stems without leaves are water reservoir and photosynthesize. Spines are dense, somewhat obscuring the surface of the stem protecting it from heat, water loss and to be eaten by animals.


How is a cactus adapted to its environments?

by dancing here and therIt has shallow roots that are spread out so that it can receive as much water as it can after a rainfall. It has 'thorns' that prevent animals from eating it. It also has a waxy covering to prevent water loss.


Plant showing water loss adaptation?

i dont what you meen but a cactus


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it slows down the loss of water


A condition which is caused by excessive loss of water?

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Why are stomata mostly found on the underside of the leaves?

so that it could prevent the sunlight from evaporating the excessive water loss from the plant through the stomata and also to prevent excessive water loss.


What word with a Greek root means excessive loss of water?

The word "dehydration" means loss of water, from the Greek root hydro (water).


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Excessive transpiration leads to water loss in plants which can lead to withering of the plant..


Why are the leaves of cactus plants modified to sharp spines?

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This is usually called dehydration.


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