Sentences with phrase «between small organisms»

«Even small changes within an ecosystem can have detrimental effects: Interactions between small organisms are «keystone» interactions that scale up to shape whole ecosystems.»

Not exact matches

I refer here to the small group of scientists who argue that in fact there is no qualitative difference between living organisms and other chemical processes.

Now, a new generation of researchers is attacking the problem, and a small but growing group is taking its cue from evolutionary biology, which relies on genetic clues to decipher relationships between organisms.

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.

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.

Life on Earth originated in an intimate partnership between the nucleic acids (genetic instructions for all organisms) and small proteins called peptides, according to two new papers from biochemists and biologists at the University of North Carolina at Chapel Hill and the University of Auckland.

The system creates a genetic memory of specific past infections by viruses and plasmids, which are small mobile DNA molecules that can move between organisms.

Smaller fish will have an impact on fisheries production as well as the interaction between organisms in the ecosystems.