Sentences with phrase «for tiny organisms»

Combining genetic material can of course bring beneficial new combinations, but even for tiny organisms that are barely visible to the naked eye, mating is fraught with all kinds of hazards, such as a long wait for offspring, sexually transmitted diseases, and the risk of getting eaten during or after sex.

So, plastic can be great for the tiniest organisms while still devastating for the larger lifeforms.

Not exact matches

All an evolutionary storyteller has to do is to start with the apparently simplest version, ignore the neural equipment that has to be present for an organism to make any use of a «photon receptor,» and spin a charming tale about how a tiny primitive light - sensing cell might grow up to be a full - fledged eye.

For instance, the surfaces of tiny fragments of plastic may carry disease - causing organisms and act as a vector that transmits diseases in the environment.

Numerous studies in recent years have documented how lower pH (higher acidity) can make it harder for shellfish and tiny organisms to form shells or internal skeletons and to reproduce.

She notes that the study's authors took great pains to exclude other possible explanations for the subsurface oxidation, whether from sediment mixing by tiny organisms or from oxidation by nonbiological agents such as nitrates and metallic oxides.

A rain forest, on the other hand, is such an efficient system for using energy because there are so many organisms exploiting every tiny niche of the nutrient cycle.

But these tiny amphibians cope quite well and represent an extreme in freeze - tolerant organisms, researchers reported here Monday at the annual meeting of the Society for Integrative and Comparative Biology.

She and others have identified so many novel species that call Portugal's caves home that this tiny Mediterranean country would qualify as a biodiversity hot spot for cave organisms — if the field hadn't recently changed its criteria.

A sunshield for iron - oxidizing bacteria: These tiny organisms build their own sun umbrella by forming iron minerals or rust around their cells; this protects them from harmful UV rays.

Their chosen topic of conversation would deprive many people of an appetite, but the scientist and his guest shared an intellectual hunger for a stomach - churning subject: gut worms — specifically, tiny worm - like parasitic organisms called helminths that live nestled in the gastrointestinal tracts of their hosts.

These tiny organisms account for about 10 % of all photosynthesis on Earth, which forms the base of the food chain and provides the atmosphere with oxygen.

That means the coral likely relies on microscopic symbiotic organisms called dinoflagellates to biosynthesize cysteine for it, making the coral particularly susceptible to changing climate conditions that endanger its tiny helpers.

What is emerging from the research is that Antarctica is a far more dynamic place than anyone could have imagined a century ago — and that what happens there can have dramatic consequences for millions of people around the world.Now, instead of mapping new geographical discoveries, scientists are seeking to map the inner workings of the strange forces at play in Antarctica, from the biological mechanisms that allow tiny organisms to seemingly awake from the dead, to the little - understood forces that are gnawing away at the continent's ice — with increasing vigor.

While scientists have known for years that African trypanosomes cause sleeping sickness, they've been left scratching their heads as to how these tiny single - celled organisms communicate.

In environments like Antarctica that seldom preserve foraminifera — tiny organisms whose shells are the gold standard for dating ocean sediments — researchers have relied on dating bulk organic matter.

Lennart Bach, marine biologist at GEOMAR Helmholtz Centre for Ocean Research Kiel investigates a tiny organism that can hardly be seen with the naked eye — and is still visible from space.

For another, closely related organisms had tiny differences in their genomes.

What shapes the biodiversity and biogeochemical processes of these tiny organisms provides a scientific basis for habitat mapping, developing conservation strategies, guiding long - term monitoring efforts and predicting the possible responses of these organisms to future environmental changes in Antarctica.

Asgard is a group of microbes, described for the first time in the journal Nature this week, that may well include the organism that gave rise to all complex life — from the tiniest eukaryotes to the tallest redwoods, the dinosaurs and us.

(NaturalHealth365) For a tiny, single - celled organism, Candida albicans can cause some big problems.

For Farber, Rivette's film was «a new organism, the atomization of a character, an event, a space, as though all of its small spaces had been de-solidified to allow air to move amongst the tiny spaces» — a description that applies just as well to Farber's porous, slippery sentences.

In my opinion, teachers have the responsibility to provide students with the knowledge, skills and attitudes to plan a desirable future for humanity and to protect all the other living organisms that that have evolved with us on this tiny blue marble in space.

Responsible for gastroenteritis, pneumonia, skin infections, urinary tract problems, and a host of other diseases, these tiny, one - celled organisms can multiply unchecked in your pet's body without the intervention of antibiotics.

For example, Giardia is a tiny organism that lives in the intestinal tract of a variety of animals including domestic and wild.

Apart from providing a food source for some beneficial organisms; being porous, they contain numerous tiny holes which help to both aerate the bin and offer hiding places for other smaller insects.

Tiny marine plants, called phytoplankton, impact the network of organisms that directly or indirectly depend on them for food.

The rare Manhattan - sized icebergs, which may become more frequent in coming decades because of climate change, release a vast trail of iron and other nutrients that act as fertilisers for algae and other tiny plant - like organisms in the ocean.

Their shells are tiny, but these prey organisms for many fish species are critical in maintaining the whole ecosystem.

As for its possible impacts, they are already being observed in th degradation of shell formation in tiny marine organisms that are a major part of the food chain.