As befits a cautious organisation, which avoids picking inter-faith fights and devotes a lot of its energy to progressive causes of a social, economic or ecological kind, the words are carefully chosen.
In this paper, as an example of ecological systems, four kinds of fish school models with different properties are presented for investigating the adaptability to environmental variations.
Barrier analysis (investment, institutional, technological, cultural, social, ecological, and other kinds of barriers); and Impact of CDM registration (Expected).
"I don't know how the evolution of dinosaurs produced this kind of animal, what kind of ecological pressures must have been at work," said Fernando Novas at the Bernardino Rivadavia Natural Sciences Museum in Buenos Aires.
They do have an ecological role in certain kinds of sites.
"They filter the water and provide all kinds of ecological niches for other organisms.
But density can create the same kinds of ecological benefits in individual structures that it does in entire communities.
Calling the results "very significant," Dr. Alison Power, agricultural ecologist at Cornell University, said, "People have said that these kinds of ecological approaches wouldn't work on a commercial scale.
These ancient differences likely have a strong influence on the kinds of ecological adaptations that may evolve today.
Groups of organisms that have genetic, developmental, behavioral and ecological similarities, are natural kinds in biology, but they are not considered species.
