安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Barnacle - Wikipedia
In folklore, barnacle geese were once held to emerge fully formed from goose barnacles Both goose barnacles and the Chilean giant barnacle are fished and eaten Barnacles are economically significant as biofouling on ships, where they cause hydrodynamic drag, reducing efficiency
- Barnacles - Types, Anatomy, Reproduction, Diet, Lifecycle, Pictures
A prominent feature of barnacle anatomy is the penis, which is both retractable and capable of growing up to eight times the body length (the highest penis-to-body ratio in the animal kingdom) On wave-exposed coastlines, however, it tends to be shorter and thicker to withstand strong currents
- What are barnacles? - NOAAs National Ocean Service
When the tide goes out, the barnacle closes up shop to conserve moisture As the tide comes in, a muscle opens the door so the feathery cirri can sift for food
- A Barnacle Attaches for Life (Yes, Theyre Living Crustaceans)
Barnacles attach to a surface once and stay put for life Most barnacles, especially the acorn and gooseneck varieties, start life as barnacle larvae drifting in the ocean before transforming into juvenile barnacles and settling down on a hard surface
- What Are Barnacles? - American Oceans
The anatomy of a barnacle is quite different from other crustaceans Most notably, they reside upside-down within their protective shells, using their modified appendages, called cirri, to capture plankton from the water for feeding
- Barnacle | Anatomy, Habitat Reproduction | Britannica
Barnacle, any of more than 1,000 predominantly marine crustaceans of the subclass Cirripedia highly modified for sedentary life There are about 850 free-living species (all marine) and about 260 species that are internal parasites of crabs and other crustaceans
- What’s the Deal with Barnacles? - Ocean Conservancy
Scientists have discovered more than 1,400 species of barnacles, with the acorn barnacle being the most commonly known These animals like to live in rocky intertidal areas or even near underwater volcanoes where there is active, moving water
- Barnacles (Cirripedia): Facts, Habitat, Diet - Ocean Info
A Barnacle consumes either animal or plant matter, making its diet omnivorous The majority are suspension feeders, they remain permanently inside their shells, which are typically made of 6 plates, and extend their modified legs into the water column
|
|
|