question_answer 67)

              Fill in the trophic levels (1, 2, 3 and 4) in the boxes provided in the figure.    

Answer:

                                    (i) First trophic level (producers) - Plants (ii) Second trophic level (primary consumers) - Herbivores (iii) Third trophic level (secondary consumers)- Carnivores (iv) Fourth trophic level (tertiary consumers) - Top carnivores