Which statement is/are correct?
(a) Ecology is a subject which studies the interaction among organism and between the organisms with its physical (abiotic) environment.
(b) Ecology is a subject which studies the interaction between the organism with its physical (abiotic) environment only.
(c ) Ecology is a subject which studies the interaction between the organism with its biotic environmentionly
(d) Ecology is a subject which studies the interaction between organisms and its biotic and physical (abiotic) environment

Options

A. Only d are correct
B. Only a are correct
C. a and d are correct
D. a, b, c, d are correct

Answer

C