Ecology

Arrange the following in an order.
A. Secondary consumer
B. Detritus
C. Primary Consumer
D. Primary producer
E. Tertiary Consumer
Choose the correct answer from the options given below:

The smallest microscopic organism that are found on the surface of water bodies like pond, lake etc are known as

Who is reversed as the Father of Ecology in India?

Which one of the following is an example of an aquatic ecosystem?