The desert cactus
For protection. The thorns and/or poison prevent animals from eating it.
Thorns, for one behavioral adaption, using the term " behavioral adaption " loosely. Predator of roses, such as herbivores, are dissuaded from eating roses by the thorns grown by the plant.
The protective structure of a rose is the thorns. The thorns grow up and down the stems of the plant. It protects the plant from being eaten.
roses.
Since a rosebush is not an animal, the thorns must help the plant by protecting it from being eaten.
A rose usually has thorns on it
yes thorns help protect plants from it's natural enemy's such as black berries have thorns to prevent them from being eating however this is in a perfect world and if there is a defense there will always be an offence to counter it
For protection. The thorns and/or poison prevent animals from eating it.
No, not on the roses but on their pinesues. So that nothing can eat them. It is a defense mechanism. If an animal bites into a rose, and gets a mouthful of thorns, they won't want to eat it anymore.
Short answer: NO thorns. A thorn is a protective plant tissue modification. Thorny plants create barriers, or have super-showy flowers, and they can protect birds from predators. The daffodil does NOT need this defense mechanism as the daffodil is toxic (poisonous) to most animals, and won't be eaten.
Prevent other animals from eating them.
Thorns, for one behavioral adaption, using the term " behavioral adaption " loosely. Predator of roses, such as herbivores, are dissuaded from eating roses by the thorns grown by the plant.
The thorns of the rose plant does not help it to get sunlight but it defends it
roots, stems, leaves, flowers, fruits, seeds and several types of appendages such as hairs, trichomes, spines, thorns etc.
The protective structure of a rose is the thorns. The thorns grow up and down the stems of the plant. It protects the plant from being eaten.
cactus
Many parts of the tomato plant are very irritating to the skin so I wouldn't try eating the flowers.