Cacti have spines to protect themselves form animals who want the water stores in the plant.
sagoro catcus
Catcus Wren
catcus
The correct spelling is "cactus."
Considering the fact that catus's have those pricly thingy's that holds the water in so unlike other plants the catcus does not loose the water it has it has it holds it through the prickly things!
The plural form for the singular noun cactus is cacti.
No, raccoons do not have spines. Porcupines have spines.
Yes people have spines.
Elephants do have spines.
they have spines. spines are vertebrates they are not invertebrates.
Yes. All mammals have spines.
All reptiles have spines.