Sentences with phrase «larvae swim»

The resulting larvae swim to the bottom and attach themselves to hard surfaces.
Pumice rafting is a faster method of colonizing than the slow, step - by - step process previously assumed to predominate, in which coral larvae swim out from one reef into a nearby area, he said.
«Marine invertebrate larvae swim in a complex fluid environment, and their responses to hydromechanical signals during their planktonic and near - settlement stages have significant implications for transport, survival and recruitment,» said Chan.
The researchers looked at activity levels of 6 dpf larvae swimming in visible light in a DanioVision Observation Chamber.
After the beak of the mosquito is pulled out, the heartworm larva swim down the hole into the area under the skin (subcutaneous tissue) on the new host.

Not exact matches

The tiny swimming larvae of these sea creatures, also known as moss animals, may live up to a week, long enough to settle in to a new habitat.
Once they have matured from larvae to fry, the fish leave the streams where they hatched and swim to the open ocean.
They might have clung to free - floating algae beds or swimming cephalopods, either of which could have carried them far away from where they formed as larvae.
G.W.'s Davis is part of a project researching the disease schistosomiasis (a.k.a. snail fever or swimmer's itch), a blood parasite transmitted to humans by snails; people can get it by swimming or wading in contaminated fresh water when infected snails release larvae that can penetrate the skin.
Once a year, the polyps reproduce sexually, producing larvae that drift and swim until they settle somewhere advantageous for a new colony.
«The hatcheries call it «lazy larvae syndrome» because these tiny oysters just sink in the water and stop swimming,» Waldbusser says.
Using particle image velocimetry to quantify and subtract local flow, the researchers then tested the hypothesis that larvae respond to turbulence by increasing swimming speed, and that the increase varies with ontogeny.
Larval swimming behaviors in response to various chemical, biological and physical cues have important implications for the adult populations, but to date, most studies on larvae - flow interactions have focused on competent larvae near settlement.
«Secondly, the larvae transition from the water column to undergo metamorphosis and settle on to the reef, after which time they can no longer swim.
Jellyfish larvae typically morph into anchored polyps, shown here, before they mature into free - swimming medusa.
Each tiny, free - swimming larva — also known as a planula — heads off and installs itself on a rock, which is carefully selected to allow it to hang head - down in the shade, and develops into a polyp.
Ordinarily, jellyfish are born from eggs and grow into larvae, which morph into polyps before becoming free - swimming medusa.
The animals are known for their colossal mouths, which are nearly five - feet in diameter and siphon plankton, small fish, and larvae as they swim through the ocean.
During the course, students collect zebrafish embryos and watch them develop from single cells to swimming larvae complete with beating hearts and distinct pigmentation.
«We know that the larvae of certain crustaceans can use their antennae to both swim and gather food.
This could give rise to a haddock population that survives the larva stage, but have small deficiencies that could make the individuals swim slower.
By day five, young larvae are able to feed and swim, and within three months they are ready to reproduce.
Using EthoVision XT, they found that the total swimming distance was suppressed in treated larvae in a dose - dependent manner.
In zebrafish studies, the light - sensitive receptor protein halorhodopsin (NpHR) has successfully been used to inhibit swimming behavior in zebrafish larvae (Arrenberg, et al., 2009).
Coral settling is the process in which a free - swimming, bowling pin - shaped coral larva metamorphoses into a single polyp baby coral.
Before I knew anything about caddisfly larvae, I found some while swimming in a stream in the Sierra Nevada mountains.
Your essay shifts the focus from the presumably honest researchers who are presenting findings on how AGW can be seen in their otherwise obscure field (insect larvae development, frog vocalizations, swimming patterns of left - finned narwhal whales, whatever), to the folks who are using the situation for their personal or political gain.
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