Sentences with phrase «many small organisms»

The studies showed that acid rain starved lake trout by killing smaller organisms that made up their main food supply.
At any stage of development, man as a person in community and also the community of persons who are moving towards «civilization», may be deflected from following the main «aim», and hence may become either a backwater in the ongoing movement or be victims of maladjustment so serious that damage is done not only to the whole dynamic process but also to the smaller organisms or societies, including man himself as such an organic entity.
Evolutionary changes can also be seen in small organisms such as viruses and bacteria — this is why you need a new flu shot each year — the virus changes (evolves).
Biology, he said, was the study of large organisms and physics was the study of small organisms.
Larger organisms are complex unities of smaller organisms.
In the case of an animal, the mental states enter into the plan of the total organism and thus modify the plans of the successive subordinate organisms until the ultimate smallest organisms, such as electrons, are reached.
The first of these new ideas carries forward a suggestion from earlier works, that science should postulate small organisms as its units of reality.
At that time, there were lots of nutrients in the ocean water there, because small organisms called diatoms, which have silica shells, were able to thrive.
With feeding arms «adapted to grope for small organisms living in anoxic mud» and a cutting beak «appropriate for an opportunistic scavenger», the animal expends little energy in hunting and feeding.
«Whatever species you look at, there might be another, smaller organism that is within it and participating in its evolution and ecology.»
«Even small changes within an ecosystem can have detrimental effects: Interactions between small organisms are «keystone» interactions that scale up to shape whole ecosystems.»
In examining the cloudy water with one of his microscopes, Leeuwenhoek was surprised to find very small organisms swimming around.
This way these small organisms (between a few millimetres and a few centimetres in size) help return the organic material stored in bones to the ecosystem.
Studies of streams and rivers in California, Texas and Illinois suggest that the pesticides might be wiping out small organisms that live in the waterways and form the base of the food chain.
PAHs could stunt growth, an effect that could ripple through the ecosystem: smaller organisms are picked off by predators at a young age, leaving less food for larger fish such as red snapper and bluefin tuna.
Each hole is its own tiny world, an ecosystem unto itself that supports a host of life - forms, including tardigrades — or water bears — and other small organisms.
Small organisms (meiofauna) inhabiting sediments in the deepest (> 10,000 m) ocean trenches are almost unknown.
On the other hand, the abundance of floating plastic fragments allows many small organisms to sail on them and colonize places they could not access to previously.
The secret is in the baleen, a complex filter - feeding system that allows the enormous whales to strain huge volumes of saltwater, leaving only krill and other small organisms behind.
It's home to fish like bluegill and alewife, along with smaller organisms like water fleas, algae, and bacteria.
New research shows that, no matter where we're buried, the same bacteria, fungi, and other small organisms in the soil ransack our bodies, as if they were just waiting for our corpses to arrive.
Crustaceans, mussels and predatory fish as well as many smaller organisms that are important for the Baltic Sea ecosystem thrive in submarine Fucus forests.
(The smallest organisms are the most efficient at acquiring those resources.)
They found both models showed a general feeding structure throughout the plankton food web: The smallest organisms were too small to ingest prey, while the largest plankton were poor competitors when living by photosynthesis.
However, where the traditional model made a strict separation between those that photosynthesize and those that don't, the mixotrophic model blurred those lines, with some smaller organisms consuming prey and some larger ones being able to photosynthesize.
«Our future work will focus on the ways in which smaller organisms that feed on marine snow may be affected by the toxicity, and how that in turn can affect the larger food web.»
Bacteria and small organisms like crabs and mussels brought in on ships coming from warmer oceans could spread disease and compete with native species for resources.
Asexual reproduction is efficient and reliable in many small organisms, so why will some suddenly decide to mate?
Researchers are applying observations made by Charles Darwin's grandson to find that small organisms carry water with them as they go — which means they might play a big role in mixing vast tracts of ocean water
Nanobe filaments could be the smallest organisms on Earth.
In the dark deep, sperm whales and other animals become «visible» because their movements disturb small organisms that give off light, similar to a flashing firefly.
«Gently rotating small organisms, cells for the first time in a microfluidic device.»
The lab of Whitehead Institute Member Peter Reddien is introducing the scientific community to the three - banded panther worm (Hofstenia miamia), a small organism with the ability to regenerate any missing body part.
«Bivalves such as oysters are also filter feeders that obtain their food by pumping water through their system and filtering small organisms,» she said.
diSPIM technology enables rapid 3D imaging of samples ranging from single cells to small organisms over the course of hours to days.
The fish began eating a lot of the small organisms in the water.
Success of this project will provide answers to a number of major evolutionary questions, and will help develop innovative third - generation sequencing approaches for small organisms with large genomes, said Johanna Cannon.
NASA says that Curiosity has found evidence to suggest that Gale Crater was once filled with lakes, rivers, and deltas that contained water for tens of millions of years — long enough that some small organisms could have emerged.
Most of the time, the Pfiesteria dinoflagellate is a nontoxic predator that feeds on small organisms such as algae, bacteria, and small animals.
Overview: Size Limits on Very Small Organisms Robert Folk's UT Austin nannobacteria web page University of Queensland nanobe research and findings Information Sheet on ALH 84001
But here at home, a much smaller organism may be circling the globe time and time again without accolades: According to a new study, the itty bitty dragonfly Pantala flavescens could take longer flights than any other known insect, putting it in the ballpark of larger migratory animals like birds and whales.
Debris and small organisms were blown into the sticky resin, which was later covered by more draining resin and finally buried.
Yes I mean little because you are a tiny particle, called a mote, that needs to absorb smaller organisms in order to grow while fending off predators and other challenges.
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Intestinal parasites are small organisms that live in the intestines of a...
They are Bordetella Bronchiseptica, Canine Parainfluenza (CPI), Canine Adenovirus 1 (CAV - 1), Canine Adenovirus 2 (CAV - 2), Canine Distemper Virus (CDV), reovirus and small organisms called mycoplasma.
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Morris Animal Foundation - funded researcher Dr. Viveka Vadyvaloo, at Washington State University, is investigating the possibility that the plague bacteria Y. pestis is kept alive during non-disease cycles by very small organisms, single - celled animals called amoebae, living in the soil in plague - endemic areas.
Gill rakes are bristly structures (the thousands of bristles are about four inches long) in the shark's mouth that trap the small organisms which the shark then swallows.
Microscopes are set up for observation of smaller organisms.
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