The science that deals with the relationship of various organisms with their environment is known as ...........................
Ecology
The term ecology was coined by the German biologist Ernst Haeckel in 1866 from the Greek 'oikos' (house) and 'logos' (study).
Ecology is the branch of science that studies the relationships of living organisms with one another and with their physical environment, including populations, communities, ecosystems, food chains and the flow of energy and nutrients.
Anthropology studies human societies and cultures, economics studies the production and distribution of goods and services, and geology studies the earth's rocks, minerals and structure; none is centred on the organism-environment relationship.
Ecology option is correct.
Which of the following statements are correct about nutrient cycle ?
A. Carbon dioxide gas which makes up about 0.040% of the volume of the earth's atmosphere
B. Specialised bacteria convert most of the $NH_3$ and $NH_4^+$ in the soil to nitrate ions $NO_3$-
C. Phosphorus does cycle through the atmosphere and its cycle is fast
D. Much of the earth's sulfur is stored underground in rocks and minerals
Choose the most appropriate answer from the options given below:
The role and position of an organism in the ecosystem encompassing both the physical space it occupies and its functional role with in the community is known as: