No, but they are a good back-scratcher.
Many types of cactus are edible and commonly eaten by people. Prickly pear cactus is one example.
PRICKLY pear cactus
The prickly pear cactus (Opuntia spp.) produces edible fruit called prickly pears or tunas. The fruit is commonly used in various culinary dishes and can be eaten raw.
Yes, prickly pear fruits develop on a number of cactus plants and are edible.
In the deserts of the American Southwest, seed pods from the mesquite tree/bush are edible as well as the fruits and tender new pads of the prickly pear cactus.
The Prickly Pear Cactus
cacti bear edible fruit such as the prickly pear and hylocereus which produces dragon fruit or pitaya.
Yes, you can eat cactus pear seeds, which are found inside the fruit of the prickly pear cactus. They are crunchy and edible, though some people prefer to strain them out for a smoother texture when consuming the fruit. The seeds are rich in fiber and can provide some nutritional benefits. However, if you have digestive issues, it's best to consume them in moderation.
Cacti are producers! Producers are plants and plants do not 'eat' other plants.
on a pear
A prickly pear is a cactus. There is no commensalism or mutualism.
The fruit of the cactus is commonly known as a prickly pear or cactus pear. It is a sweet and flavorful fruit that grows on certain species of cacti.