Sentences with phrase «of plankton as»

Ask the students to take notes on what they learn about the critical role of plankton as they view the video.
«We think of plankton as the tiny alphabet soup of the ocean, floating around passively while larger organisms eat it,» says biologist Gregory Gavelis, who lead the study while a researcher at the University of British Columbia (UBC).

Not exact matches

If we had to choose between the survival of whales as a species and that of plankton, we would rightly choose the plankton.
Organic bivalve shellfish (mussels, clams, oysters) are fed by natural plankton and algae in tidal zones, so this industry is relatively easy in clean oceans, such as those near the south coast of Australia, where there are already certified operators for mussels and oysters.
The venom gland «is not a trivial structure, [but] a big bulge» on the lower jaw, says Fry, who compares previous ignorance of the Komodo dragon's venomous capabilities as akin to «missing the teeth on great white sharks and saying they are plankton eaters».
«Our results show that despite a wave of massive and virtually instantaneous extinctions among the plankton, some types of photosynthesising organisms, such as algae and bacteria, were living in the aftermath of the asteroid strike.
Instead, as suggested by the trickle - up theory of salmon restoration, the plankton tends to get eaten by tiny animals, which are then eaten by larger animals until, ultimately, all or most of the CO2 sucked up by the tiny plants during their photosynthetic life spans finds its way back to the atmosphere in relatively short order.
Satellite images as well as maps of chlorophyll abundance appear to show that the iron did indeed fuel a plankton bloom in August.
Iron can fuel plankton blooms and influence how the ocean responds to climate change, while the lead images show the impact of past pollution on the ocean and continuing contamination in some parts of the world and aluminium is used as a tracer of desert dust inputs to the ocean.
The balls of mucus, known as «marine mucilage,» are enormous, gelatinous masses of organic material emitted by stressed - out plankton.
But when a giant shelf collapses — as Larsen A and B did in 1995 and 2002 — solar - powered plankton production ramps up, and scientists think it could jump - start a complex food web of diverse marine life.
AS THE world's fisheries ministers promised tough action to conserve the oceans» fast - diminishing fish stocks last week, researchers were providing still more evidence of a crisis that threatens everything from plankton to porpoises.
Tripati and her team used a technique known as clumped isotope thermometry, which examines the calcium carbonate shells of marine plankton for subtle differences in the amounts of carbon - 13 and oxygen - 18 they contain.
Today's ocean models typically take an «either / or» approach, grouping plankton as either photosynthesizers or consumers of prey.
The algae and its marine snow aggregates can serve as a major food source for other forms of marine life like plankton - eating fish and shellfish.
Typical ocean models that incorporate plankton often group them in 10 general size classes, each of which fall into a «two - guild» structure, as either photosynthesizers, or consumers of prey.
These more substantial organisms, compared to smaller and lighter plankton, were more capable of sinking to the ocean floor, as carbon - containing detritus.
The plankton incorporate different forms of boron into their shells, depending on the seawater's acidity, so each shell serves as a chemical record of the ocean's pH during its occupant's brief life.
It didn't take long for her to confirm that the flashing was not, as most people assumed, a form of bioluminescence — a chemical reaction inside animals like plankton that produces light similar to that of a glow stick.
In a paper just published in Nature Communications, they present evidence that malformed fossil remains of marine plankton from the late Silurian (415 million years ago) contain highly elevated concentrations of heavy metals, such as iron, lead, and arsenic.
They feed on the bottom of the food chain — on single - celled plankton, which larger fish can not eat — and then they become prey for all sorts of upper - level predators like tuna, sea bass and halibut as well as seabirds and marine mammals.
Local factors such as ocean streams, temperature, depth, and acidity determine the composition of plankton ecosystems, Karsenti said.
The report found that ocean warming is affecting a multitude of ocean processes, including breeding and migration patterns of ocean species such as plankton, whales and fish.
Artistic, black and white photos of planktonas we saw last time — are fabulous.
Ammonites, which were free - swimming molluscs of the ancient oceans and are common fossils, went extinct at the time of the end - Cretaceous asteroid impact, as did more than 90 per cent of species of calcium carbonate - shelled plankton (coccolithophores and foraminifera).
Microbiomes are ecosystems of one - celled organisms, such as bacteria, archaea, fungi, protozoa, algae, and plankton, as well as viruses.
NASA's Plankton, Aerosol, Cloud, Ocean Ecosystem satellite mission, still in planning stages, operates with a framework that could serve as an example for science support of future missions.
That would, I'd guess, be interesting as a very fast feedback effect if, say, plankton's changing year by year as one or more of those other signals change.
Those same sediments held another clue as well — the fossilized shells of plankton (small floating sea organisms) from the dinosaur days.
Instruments attached to the cable collected data on ocean currents as well as samples of tiny creatures called plankton.
The new research published in the journal Science Advances examined the skin cells of common dolphins for chemical clues about the length of the marine food chain, which begins with tiny plankton and continues as species eat them, and other species eat those species.
The plankton, in turn, attracts a vast array of marine life, providing feeding as well as spawning grounds for myriad pelagic species, including some that have migrated across wide oceanic areas.
They feed on jellyfish and plankton and are curious of humans, as seen in the photo.
But nobody is aware of the interference of an evil player known as Plankton (Doug Lawrence).
Then watch a short, related video, such as National Geographic's Plankton Revealed: Component of Life on Earth.
It is sorta the plankton of the eVerse — the simplest life form that feeds the mindless that in turn feed the suckers and bottom - dwellers who in turn feed the commercial fiction writers who feed the how - to - write - commercial - fiction writers who feed the I'm - too - sexy literati who feed themselves (as they cannibalize the top echelon with scathing reviews).
The light attracts plankton, which attracts the manta rays — who put on a swirling, twirling, whirling show of a lifetime as they feed.
Humpback whales are equipped with a baleen which resembles thick strands of long hair and it acts as a strainer to filter out the plankton, krill, herring and other small fish.
These include water and plankton sampling as well as maintaining a team of scientific divers.
The team studied whale sharks as the animals gathered en masse to dine on plankton blooms in the Gulf of Mexico and Caribbean Sea waters near Isla Holbox, Mexico, to feed from May to September.
These agile swimmers swoop, circle and dive as they gather up the plankton putting on one of the best underwater entertainments anywhere.
Divers and snorkellers alike travel from all corners of the globe to snorkel with these gentle giants as they cruise along the Ningaloo Reef feeding on plankton.
A bioluminescent bay is an ideal habitat for the flourishing of small dinoflagellate plankton, most of which emit a bluish light as a defense mechanism when agitated.
Plankton Monitoring Volunteer Volunteers that have completed the minimum commitment of 48 hours as an Exhibit Interpreter and have the desire to advance in their Wet Deck experience may apply to become Plankton Monitor's.
Minute organisms originating in the mangroves may be blown offshore and become part of the plankton which attracts such pelagics as the manta ray and the whale shark.
Baleen whales completely lack teeth and filter small prey such as plankton, worms, and baitfish from the water using rows of baleen arranged in their mouths like sieves.
One of the most spectacular sights on a night trip in the Gulf of Nicoya is to witness hundreds of tiny star - like bioluminescent plankton scintillating like a starry sky as you move through dark water.
On this day as we descended to the bottom and neared the Manta cleaning station everyone was excited as we could already see our group of resident Mantas gathered there surrounded by the cleaner fish which remove the small pieces of plankton trapped in the gills.
As the light attracts plankton, mantas arrive to take advantage of the feast.
After spending Southern Hemisphere summer feeding in the krill and plankton - rich icy Antarctic, Pacific humpback whales swim north in June to the Great Barrier Reef of Australia and as far as Costa Rica for its warm tropical waters to mate, give birth and socialize.
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