However, the biological importance of the accumulation process is unknown.

Minchinhampton Common is of both geological and biological importance.

Its biological importance is not yet known.

Perhaps not even that, for the identity of a foster mother was not of the slightest biological importance.

Its biological importance is due to its assemblage of rare fungi.

The hill has been designated a county site of biological importance for its woodland and grassland habitats.

The present question seems to be not the social or biological importance of this female, but is she someone we can trust?

It is a wetland area of biological importance for invertebrates and breeding birds.

His research applies physical organic chemistry to systems of biological importance.

It is a site of biological importance as an area of ancient woodland.