Which one is in descending order of a food chain? 

Which of these are in descending order?

Which one of the following is correct food chain ?

Which of the following is the correct food chain?

Which of the following constitutes a food chain ?

Which of the following constitute a food chains ?

The animals shown in the given figure form a part of a food chain What is the order in which energy flows in the food chain formed by the given organisms?