Figure 23.17 A bat visiting a flower of an organ-pipe cactus. The bat's head is covered with pollen. (Photo by Donna J. Howell)

Fungi and bryophytes are usually dried and stored in small boxes or packets. Larger algae tend to have unique properties that lend themselves to preservation according to the

454 Chapter 23

anther with glutinous pollen mechanism 1

anther with glutinous pollen

stigma covered with pointed bumps; these brush sticky pollen from insect's head or back
pathway of insect

This flap yields to an insect's weight and returns to its original position when the insect is inside the pouchlike petal, thus forcing the insect to exit

\ through an opening in the center of the flower near the stigma and anthers.

pouchlike petal (cut to show interior)

anther pollinium stigma f?

Was this article helpful?

0 0
Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

Get My Free Ebook

Post a comment