Q:

Why do plants have thorns?

A:

Quick Answer

Thorns are essentially defense mechanisms for the plant, much like teeth are for an animal. The sharp points protect the plant against animals that want to eat it.

Know More
Why do plants have thorns?
Credit: Michael MK Khor CC-BY-2.0

Full Answer

Honey locust trees are a prime example of plants with thorns, according to The American Phytopathological Society. Thorns are actually a type of branch, and roses do not have true thorns. Instead, roses have prickles, which are a part of the skin of the plant. Cacti, on the other hand, have spines, which are a modified leaf. Overall, all of these types of growths on plants do the same thing; defend the plant against predators.


Is this answer helpful?

Similar Questions

  • Q:

    Why are leaves important to a plant?

    A:

    Leaves are important to plants because they provide nourishment or food for the plants. The food-making process is known as photosynthesis. In addition, young leaves keep the tips of growing stems moist by wrapping around them and protecting them from the elements.

    Full Answer >
    Filed Under:
  • Q:

    What is plant biotechnology?

    A:

    Plant biotechnology is a scientific technique that adapts plants for specific purposes by cross-breeding, extending their growing seasons, adjusting height, color and texture and several other mechanisms. Some plant biotechnologies exist for the purpose of creating reliable and sustainable food sources for populations around the world, while other technologies use plants for scientific and medical research, and find ways to make crops resistant to droughts, diseases and other maladies.

    Full Answer >
    Filed Under:
  • Q:

    Where can I buy a ruda plant?

    A:

    Ruda plants can be purchased online or in many local nurseries. As of 2014, Maggie's Herb Farm in St. Augustine, Fla., sells rue plants. Sandy Mush Herb Nursery sells the blue mound and jackman blue variations of rue in Leicester, N.C.

    Full Answer >
    Filed Under:
  • Q:

    How much water does a pea plant need?

    A:

    Pea plants should be watered sparingly, but the soil should remain consistently moist without being saturated. The plant should be watered when the top inch of the soil is dry to the touch.

    Full Answer >
    Filed Under:

Explore