Sentences with phrase «as an organism evolves»

It's cross-correlated: The shape of the landscape is dependent on what all the organisms are doing, so even as an organism evolves, the landscape is always changing.

«The theory is that as organisms evolve to be larger, the single - celled embryo (or zygote) is selected to be larger as well.

In cases where the problems have been local our society has made laws to limit the harmful effects; just as an organism evolves methods of protecting itself from the toxins it produces.

Not exact matches

I just think that humans EVOLVED as hetero - sexual organisms, and if being omni - sexual was so much more beneficial, then we'd all be doin» it like the sea slugs do on discovery channel).

Then, as a result of genetic duplication, random selection and the environment, those simple life forms * evolved * into slightly more complex organisms.

My mind is open to higher life... I think as an atheist, your mind is open as well, you have to believe in a higher evolved being than potentially our own, or you would not believe in a higher evolved being beyond a single cell organism...

Scientists may think they have good reasons for believing that living organisms evolved naturally from nonliving chemicals, or that complex organs evolved by the accumulation of micromutations through natural selection, but having reasons is not the same as having proof.

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).

That is, those events which are later than others lie in the same direction as the more evolved stages of the biosphere, the more developed stages of individual organisms, the more entropic states of closed physical systems, or the events of a causal chain which can be the effects but not the causes of a given event on the chain.

«This continually unfolding emergence of new and intricately organised systems and organisms strongly suggests a directionality in the history of the universe, and in the history of the Earth and of life on it... many recent interdisciplinary pundits postulate an overarching finality or teleology - a purposefulness - to the unfolding universe, and to nature itself as it evolves on Earth...

Whitehead presents his own scheme of organisms constituted by internal relations as providing units that can and do evolve.

Once the exceptional, but fundamentally biological, nature of the collective human complex is accepted, nothing prevents us (provided we take into account the modifications which have occurred in the dimensions in which we are working) from treating as authentic organs the diverse social organisms which have gradually evolved in the course of the history of the human race.

As an evolved being I have a responsibility to all those single celled organisms that came before and allowed me to exist and thus we have a responsibility to the future of our planets continual evolution.

Along with many other researchers in the field, Gould's works were sometimes deliberately taken out of context by creationists as «proof» that scientists no longer understood how organisms evolved.

That still happens, but it's diffused around the globe in ways that are difficult to see as part of an evolving, healthy social organism (not that American industrialization was trouble free!).

We generally assume that primitive organisms are not sensitive to as many different kinds of stimuli as higher organisms are and that the sensory systems evolve to give organisms access to more and more types of stimuli.

Precisely which organisms will comprise the second and future microbial ecologies (this process is called microbial succession) will depend on conditions such as salt concentration and nutrients present, and which microorganisms are present (either intentionally added or contaminants) in the evolving cheese matrix...

In evolutionary biology, convergent evolution is the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

«Organisms can deal with these stressful transitions from warm to cold by either acclimating - think about dogs putting on their winter coats - or by populations genetically evolving to deal with new stresses, a phenomenon known as rapid climate adaptation,» said Alison Gerken, a post-doctoral associate with UF's Department of Molecular Genetics and Microbiology and the lead author of a new study, published this month in the journal Proceedings of the National Academy of Sciences.

Chua doubts the mould memristors are going to have much of an impact on computer chips of the future, but says the finding underscores how important they are in the biological world, where memristance has evolved to allow organisms to transfer information, such as neural impulses, rapidly and efficiently.

RNA organisms could evolve new ribozymes as well and also produce them in bulk as they multiplied.

The goal is ultimately to design new organisms that fulfill specified functions, such as manufacturing new fuels to replace oil and gas or capturing carbon dioxide, without evolving so that these capabilities are locked in over time.

So - called RNA viruses are rogues: smaller, fast - replicating shape - shifters, descended from a time that evolutionary biologists refer to as the RNA world, back near the base of life's tree, before today's DNA - based organisms evolved.

«We've had this view that organisms became more «selfish» as they evolved, learning how to take advantage of the system by becoming pathogens,» she said.

«Our hypothesis is that interferon gamma might have evolved as an efficient way to control the anti-pathogen response when organisms are social,» says Tony Filiano, a postdoctoral associate in Kipnis» lab.

For a long time, the prevailing idea was that parasites and pathogens evolve to target a particular host and as they get better at infecting a specific animal or plant, they become less effective at infecting other organisms.

As oxygen increased in Earth's atmosphere and organisms became more complex, different forms of metabolism evolved, from plants» photosynthesis to the lesser - known chemolithotrophy.

The first animals evolved from their single - celled ancestors around 800 million years ago, but new evidence suggests that this leap to multi-celled organisms in the tree of life may not have been quite as dramatic as scientists once assumed.

But organisms are evolving continuously, with certain phenotypes becoming dominant as environmental and other conditions favor them.

As organisms released gases that changed the very lighting conditions on which they depended, they had to evolve new colors.

As if octopuses, squids and other cephalopods were not already strange enough, they may have found a way to evolve that is foreign to practically all other multicellular organisms on the planet.

Now, new research offers a potential solution: Longer RNA chains could have hidden out in porous rocks near volcanic sites such as hydrothermal ocean vents, where unique temperature conditions might have helped complex organisms evolve.

We commonly use a nominal value of 1 as the start of dissolution, so «danger» for organisms, but this may not be relevant for them because they have already evolved in these conditions, thus may be adapted.

Organisms pass their genes to their descendants, often with small changes, and as a result life can evolve over the generations.

Scientists once thought that every type of organism occupied a distinct branch on the tree of life; new species evolved as their genomes slowly mutated or recombined through sex.

Perhaps, they reasoned, if they put their digital organisms on a diet, they might evolve into different forms — just as it happens in nature.

Salamanders are particularly good organisms for studying how locomotion onto land evolved, as their anatomy and ecology is similar to the earliest tetrapods.

The work sheds shed new light on how very different organisms can evolve similar traits in response to their environments, a process known as convergent evolution.

How did simple organisms like yeast and worms evolve into ones as complex as birds and mammals?

Finding them in arthropod ancestors suggests the plates acted as a transitional element that helped the animals evolve from soft, jellylike organisms to the hard - bodied creatures of today, Ortega - Hernández argues.

I like to say I am a professional observer, as one of the things I enjoy most is just watching organisms while trying to puzzle out what they are doing and why it may have evolved.

Genes that are expressed only in the brain evolved more slowly than those that are expressed in the brain as well as other tissues, and those genes evolved more slowly than genes expressed throughout the rest of the organism.

Wisecaver, an evolutionary biologist, studies how new genes evolve that allow species to produce secondary metabolites — compounds such as toxins or pigments that organisms produce to defend themselves against environmental dangers.

«Possible mechanisms to regulate the coherence of the oscillation, as a living organism would have evolved to develop a robust circadian rhythm, or daily biological clock, can also be revealed from the theoretical analyses,» Lin said.

The researchers involved were surprised to learn that the ability to walk evolved from a gene found in creatures that can not, as past theories suggest that organisms evolved the ability as they first crawled out of the ocean.

This is a unified scientific project that aims to study the behavior of human beings as evolved biological organisms who live in groups, form networks and coalitions, are governed by formal institutions and informal norms, produce and exchange scarce resources and are motivated by identities, ideals and beliefs.

Organisms that aren't closely related may evolve similar traits as they adapt to similar challenges.

Precisely which organisms will comprise the second and future microbial ecologies (this process is called microbial succession) will depend on conditions such as salt concentration and nutrients present, and which microorganisms are present (either intentionally added or contaminants) in the evolving cheese matrix...

Some non-proteinogenic amino acids, such as ornithine and homoserine have clear reasons why organisms have not evolved to incorporate them into proteins; both of these amino acids will cyclize against the peptide backbone and fragment the protein with relatively short half - lives.

«Minions,» the hilarious new animated prequel to the «Despicable Me» franchise, goes back to the beginning when the Minions started out as single - celled yellow organisms, then evolved through the ages, perpetually servi...