Answer:
The rate at which organic material is produced by photosynthesis organism in an ecosystem is primary conductivity (17-2).
Explanation:
In the field and study of biology productivity is referred as the production or growth of biomass in the surroundings.
The productivity which is conducted in the plants is termed as primary productivity as if the study is made with animals than it is termed as secondary productivity.
Primary conductivity is considered as a very important process.