Sentences with word «sessile»

Sessile means stationary or not able to move. Full definition
Good lighting throughout the day will burn most coral and do serious damage to many other sessile invertebrates.
The underwater walls of the rocks have a high abundance of sessile organisms creating a spectacular color array.
This would be consistent with the coevolution of cooperation and dispersal more generally, either via movement in motile organisms or passive transport in sessile species, which has been well - explored [74 — 80].
That spells bad news for the speedy breakdown of oil as well as for coral and other sessile deepwater life.
In other research, Miller and fellow MSI research biologist Mark Page used stable isotopes to determine that suspension - feeding sessile organisms subsist on phytoplankton rather than kelp detritus.
This includes some monthly parameters of year y (year of ring formation), and also some parameters of the years y - 1 to y - 4 for sessile oak and y - 1 to y - 5 for pedunculate oak.
Many sessile marine inverts are dependent on natural light to thrive and survive.
The worst thing one starfish can call another is «sessile creature
Most commonly, the macaques used one - handed hammering with the points of smaller tools to crack open sessile rock oysters that required precision striking, and used one - or two - handed hammering with the faces and edges of larger tools to crack unattached shellfish that had to first be placed on anvils, reflecting different techniques for different foods.
Preprint: Social Motility: Interaction between two sessile soil bacteria leads to emergence of surface motility — Lucy M McCully — bioRxiv
«Specifically, we were interested in «sessile serrated polyps», which have only recently been recognized as important colon cancer precursors that give rise to 20 - 30 percent of sporadic colon cancer cases.
Not to be left out of the mix are frozen and refrigerated foods for live coral and related sessile invertebrates.
Additionally, while corals are undoubtedly beautiful, they are also mostly sessile, meaning they do not move around.
In other words, they are not nearly sessile enough for coral lovers.
There are also some interesting sessile invertebrates — clams, feather dusters, the very popular sea anemones (which are technically coral - like animals) and tunicates.
[10][11] Numerous sessile animals (sponges, bryozoans and ascidians) are found on kelp stipes and mobile invertebrate fauna are found in high densities on epiphytic algae on the kelp stipes and on kelp holdfasts.
In and around this vibrant sessile tableau live all sorts of sea - life, making night diving here simply awesome.
Perhaps this exhibit will jolt a few sessile individuals outside, and maybe even help reconnect with the world around them.
On the other hand, bright red Echinaster sea stars from the Caribbean may be a danger to sessile animals.
In sessile, [or immobile] marine organisms, epiphytic bacteria in sea lettuce prevent fouling,» he notes.
«We posited that giant kelp fed herbivores in the system and provided structure and habitat for predators, and that it was fed upon by sea urchins and affected the understory communities of algae and sessile invertebrates in the kelp forest,» said lead author Robert Miller, a research biologist in UCSB's Marine Science Institute (MSI).
In turn, giant kelp positively affected the sessile invertebrates — sponges and sea squirts — that live on the bottom but can often be outcompeted for space by algae.»
They are primitive, sessile, mostly marine, waterdwelling filter feeders that pump water through their matrix to filter out particulates of food matter.
With the «Neolithic revolution,» the rise of agriculture and animal husbandry, the keeping of stores and a sessile lifestyle, the functions of the extinct «ecosystem engineers» were partially replaced.
Adult barnacles are sessile, but the planktonic larvae travel and disperse with water movements.
In order to understand the spread of marine life, Dr. Nakamura studies benthos, which are animals that are sessile or hardly move in the adult stage.
But, with the exception of bottom - feeding fish and sessile (immobile) filter feeders caught in the immediate vicinity, any radionuclides from Fukushima have been diluted by the vastness of the Pacific to insignificant quantities.
The latter are sessile organisms, and therefore inhabit a secure and stable environment, which provides relatively constant living conditions, and is compatible with the adoption of the K - strategy,» Nagler explains.
These marine invertebrate animals have hard exoskeletons made of calcium carbonate, and are sessile, meaning permanently fixed in one place.
Plants exhibit a remarkable developmental plasticity as a consequence of their sessile way of life.
Perhaps for the sole reason that teaching has been sessile for a long time and that reviving the lost art of stand up comedy intermixed with new technology could prove to be like CPR for everyday teaching.Shooting a squib in the class can be more productive than giving a squalid, 18 - century style lecture, with your coats of frills, pipe in the hand and self - important air.
The polyps may be directly attached to the intestinal wall (sessile), or attached through a stalk - like cylindrical connection.
A quick look at marine inverts reveals that corals are sessile invertebrates, while most of other marine animals are motile.
It is not all sessile stuff when diving at Taveuni however, as the nutrient rich waters also promise plenty of pelagic fish species.
A sessile animal, coral has now become a symbol for accelerated climate change and ocean acidification.
Riftia lacks (as an adult) a mouth and gut, is sessile, and has acquired a chemosynthetic partner — all traits that enable Riftia to thrive in what seems to be an inconceivably hostile environment.
Scientists believe this animal belongs to the genus Crossota, a group of jellies that does not have a sessile polyp stage; all phases of their lives are ocean drifters.
The most prominent stage is the asexual and sessile feeding stage, which lives attached to the setae of the host lobster's mouthparts and filters small food particles from the water.
Interestingly, the sessile (i.e., attached to substrate) feeding stage of S. pandora had been known since the 1960s, but was not described until 1995 (Funch and Kristensen 1997, cited in Kristensen 2002).
Finally, global warming and ocean acidification are expected to affect calcification in all marine organisms that have calcium carbonate skeletons, including larval and adult and free - living and sessile animals, shelled protozoans, and calcareous algae.
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