That's an odd but interesting question. The simple answer is you can not.
We as humans do not live long enough to affect the evolution of any living organism. We can however affect shorter term things like hybridizing to get a better plant but once we stop nature takes over and our plant will revert in a short time.
I hope i did not misunderstand your question and hope i helped.
the cactus belongs in the plant group.
A cactus plant branch :D
well a cactus plant has many parts like flowers
A cactus is a plant. It does not eat.
A cactus is a plant, a dicot.
By evolution
The tip of a cactus is where growth occurs in a cactus plant. If this is badly damaged the plant may die or begin to grow elsewhere in the plant giving the plant an abnormal appearance.
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.
No, the barrel cactus is a vascular plant.
The cactus root in the ground beneath the cactus plant.
cactus is thomy while a money plant is leafy.
No, a cactus is a plant, not an animal.