Profession of an organism is

Note the relationship between the firs two words and suggest suitable word in the fourth place : Address of living organism in an ecosystem : Habitat : : Role/Profession of living organism in an ecosystem : ..........

The functional role of an organism in an ecosystem which is comparable to the profession of a person is called

The functional role of an organism in an ecosystem which is comparable to the profession of a person is called

What is the total number of employees in engineering profession and industries together ?

Mary Mallon was a cook by profession and also a carrier of a particular disease. Which test is commonly used for diagnosis of this disease?

Name some professions other than medicine which require a basic knowledge of biology.