Cacti might have had predators that would eat them in their new environment and cacti might have learn to adapt to that with their spine-formed leaves.
Leaves have evolved into spines on the cactus.
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.
There are several species of barrel cactus that live in one or the other deserts of North America. The barrels occur most frequently in the Sonoran Desert.
I don't have a answer
No
In most species the stem has evolved to be photosynthetic and succulent,while the leaves have evolved into spines,this helps it adapt to hot and dry environments.
The Cactus wren became Arizona's State bird in 1931.
wild cat and dogs Cactus and different plants
Because they are in the desert where the effect of the sun is overkilling,hence they have evolved this form for their survival(adaptation)
Yes, cacti have evolved to eliminate leaves and replace them with spines.
Cactus Hill is important to us because there we learn more about our ancestors and learn their ways of life and how we evolved from them. we learn about our past and how we have changed over time.We learn our past history
The giant cactus would not survive in the British climate because they are adapted to grow in the arid areas.