to protect it self from other animal
hot temperatures evaporate water so the cactus must make sure he can contain all of his water within him without having porous leaves (instead he has spines) to release the water. He uses the skin to undergo photosynthesis instead of the leaves that other plants use.
Leafless cactus plants
A cactus has no leaves.
Cactus are desert plants.Their leaves have turned into thrones.
Leaves provide extra surface area for water to evaporate out of the plant. In the arid desert, plants need all the water they can get.
hot temperatures evaporate water so the cactus must make sure he can contain all of his water within him without having porous leaves (instead he has spines) to release the water. He uses the skin to undergo photosynthesis instead of the leaves that other plants use.
None! Cacti grow spines instead of leaves.
An advantage of a plant or tree having small leaves is not needing much water.
Leafless cactus plants
Leaves have evolved into spines on the cactus.
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.
The saguaro cactus is the largest cactus in the United States. It occurs primarily in Arizona and parts of northern Mexico.
They are succulent plants, having thick fleshy leaves or stems to store water
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.
A cactus has no leaves.
A cactus has no leaves but does have a stem.
cactus