Looking for the legacy site? Click here
  • Ask A Question
  • Teacher's Toolbox
  • Listen and Watch
Ask A Biologist Logo
Page 1 of 10

Question 1

What is pollen?

Answer

A type of plant leaf

A chemical used by plants to repel insects

Seeds produced by trees

A fine powder that contains plant sperm cells
School of Life Sciences Arizona State University
School of Life Sciences

Contact Us

Contribute

Content
Stories Activities Images Games Virtual Reality (VR) Ask An Anthropologist Ask An Earth and Space Scientist
Tools
Ask A Question Teacher Toolbox Feedback
Usage
Guidelines Licensing and Permissions Participation
Acknowledgements
National Science Foundation Credits
Maps and Locations Jobs Directory Contact ASU My ASU
Repeatedly ranked #1 in innovation (ASU ahead of MIT and Stanford), sustainability (ASU ahead of Stanford and UC Berkeley), and global impact (ASU ahead of MIT and Penn State)
Copyright and Trademark Accessibility Privacy Terms of Use Emergency