1 / 8

Plant Structures for Defense

Plant Structures for Defense. Plants have special structures that function for defense, survival, and reproduction. Structures for defense protect plants from threats. They might die without these defenses. Thorns. Are sharp outgrowths on the stems of plants

amma
Download Presentation

Plant Structures for Defense

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Plant Structures for Defense

  2. Plants have special structures that function for defense, survival, and reproduction.

  3. Structures for defense protect plants from threats. They might die without these defenses.

  4. Thorns • Are sharp outgrowths on the stems of plants • Defend the plant from being eaten by some animals

  5. Cactus

  6. Poisons • Some plants have chemical substances designed to discourage animals from eating them. • Some taste bad; some sicken or kill the predator. • Some have high poison levels only until the fruit matures, then it decreases so the fruit can be eaten and seeds dispersed. • Ex. Poison ivy, poison oak, sumac

  7. Poison Ivy

  8. Other Defense The ability to close its leaves when touched is called (thigmotropism).

More Related