Another complex matter is that of flexibility or enhanced co-operation.
As a matter of fact, this flexibility had already been perceived before Elton by the father of ecology, Charles Robert Darwin, who, in the Origin of Species (1859) wrote: "Throw up a handful of feathers, and all must fall to the ground according to definite laws.
Increasingly, they say, retirement is becoming a matter of negotiation, requiring new flexibility in setting workers' schedules and benefits.
Should companies and funders try to make special provision for women in the matter of childcare and touring flexibility?
It's just a matter of giving him the flexibility if he doesn't have the cash for one month.
Gradually, acquiescence to legal conventions about intellectual property became a matter of natural convenience and flexibility.
In January, during the hearings to consider Donald Trump's nomination of Jeff Sessions, then a senator, for Attorney General, Senator Mike Lee, the Republican of Utah, noted that whoever held that office had a good deal of "flexibility" on the matter of special prosecutors.
A fibre is a unit of matter characterized by flexibility, fineness and a high ratio of length to thickness.
She goes on to suggest that the perception of flexibility is itself a matter of perception.
