It can be used to distinguish certain Streptococcal organisms.

And then you have the problem of someone propagating certain organisms in an unauthorized place.

It could also be seen as the total number of receptor proteins in a certain organism.

There are some places on Earth where the conditions allow only certain organism to live.

Pathogenicity is the capacity of certain organisms to produce disease.

These products are now illegal, but they remain present in sediments and certain organisms.

Some of these are considered macronutrients in certain organisms.

It causes the death of certain parasitic organisms in the body.

This is likely to have profound effects on certain planktonic marine organisms because their ability to form shells will be reduced.

Far-red light also is used for vision by certain organisms such as some species of deep-sea fishes.