i dont now :(
To keep their water inside.
They have like this nectar or this water inside them to keep them hydrated
It's water from a cactus! The cactus has collected that water!x
The adaptation for an organ pipe cactus are its spines to keep away predators from eating it. The other adaptation is its long narrow arms which are used to keep in water.
Cactus have spongy tissue that absorb water. They are able to keep that water inside for long periods of time, because they do not perspire like other plants.
cactus and cactus water
Because they already have liquid inside of them to keep them from dehydrating.
Cactuses have a waxy coating to help them retain water, and they have spines to keep others from taking their water.
Cacti act like water storage tanks by trapping the water inside their strong fibrous outside.
some environmental pressures are lack of food, obviously,and also carnivores.
Water is stored in tissue in the stem of the cactus.
A cactus stores water in its stem.