Which of these organisms occupies the 3rd trophic
...
Which of these organisms occupies the 3rd trophic
level?
King fisher
Small fish
Phytoplankton
Big fish
Tadpole
Correct answer is B
No explanation has been provided for this answer.
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The part labelled I and II constitute the ...
Which of the following reagents is used to test for the presence of protein in food? ...