What is This? The Innards of a Daisy?

It's not a flower, but it does get its nice looks from photosynthesis.

By Andrew Grant
Dec 23, 2008 6:00 AMNov 12, 2019 6:41 AM
Image courtesy of Dr. Eric Tambutté | NULL


Sign up for our email newsletter for the latest science news

The hollow, cylindrical polyps of the coral Stylophora pistillata gather plankton with their tiny tentacles. Photosynthetic algae living within the polyps provide the coral with energy, its vibrant colors, and protection against the acidic byproducts of its respiration. Researchers from Monaco recently discovered the first gene in coral that adjusts its activity based on the time of day [subscription required]: it works twice as hard at night to neutralize acid that the sun-dependent algae cannot remove. Another coral gene responds to a full moon, triggering the simultaneous release of millions of eggs and sperm along a reef.

1 free article left
Want More? Get unlimited access for as low as $1.99/month

Already a subscriber?

Register or Log In

1 free articleSubscribe
Discover Magazine Logo
Want more?

Keep reading for as low as $1.99!


Already a subscriber?

Register or Log In

More From Discover
Recommendations From Our Store
Shop Now
Stay Curious
Our List

Sign up for our weekly science updates.

To The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Copyright © 2024 Kalmbach Media Co.