Knotted wrack seaweed
Wall Art and Photo Gifts from Science Photo Library
Knotted wrack seaweed
Knotted wrack seaweed (Ascophyllum nodosum). This is a common brown seaweed. Mid-way along its fronds are air bladders (bubbles). These are floatation devices that keep the seaweed near sunlight when in the water. At the end of the fronds are oogonium and antheridium (oval sacs), which contain the female and male sex cells respectively
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6276913
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Alga Algae Algal Antheridia Antheridium Ascophyllum Nodosum Coastal Floatation Re Production Reproductive Sea Weed Thallus Bladders
EDITORS COMMENTS
This print showcases the intricate beauty of Knotted wrack seaweed (Ascophyllum nodosum). This common brown seaweed is a fascinating specimen found along coastlines. The fronds of this seaweed possess air bladders, which serve as buoyancy aids to keep it close to sunlight while submerged in water. These bubbles are essential for its survival and enable the seaweed to thrive in its marine habitat. At the tips of the fronds, one can observe oogonium and antheridium, oval sacs that contain female and male sex cells respectively. These reproductive structures play a crucial role in the life cycle of this alga. They represent nature's ingenious way of ensuring successful reproduction underwater. The photograph not only captures the botanical details but also highlights the biological marvels present within our oceans. It serves as a reminder of how diverse and awe-inspiring marine life can be. From its multiple reproductive mechanisms to its ability to adapt and survive in challenging environments, Knotted wrack seaweed exemplifies the wonders that exist beneath our seas. This image from Science Photo Library allows us to appreciate both the scientific significance and aesthetic appeal of this remarkable species without any commercial connotations attached. It invites us into a world where biology meets artistry, showcasing nature's ingenuity through vibrant colors and intricate patterns found within this knotted wrack seaweed specimen.
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