Identify the correct statements:
(A) The term Ecology was coined by Haeckel in 1869.
(B) Ecology is the study of relationships between organisms and their physical environment as well as relationships among organisms.
(C) The term Ecosystem was coined by Tansley in 1924.
(D) The sequential succession in 'sere' begins with 'Climatic Climax'.
Choose the correct answer from the options given below: