Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints or clues!


Based on the food web given,producer is ,primary consumer is , secondary consumer is , tertiary consumer is and decomposers is .The number of producer is always than number of primary consumer. The size of organisms from producer to tertiary consumer. Changes can take place in the number of organisms at particular time.If there is increase in the number of snake, the number of frog will .If a large number of grasshopper are caught,the number of snakes will . However the number of paddyplants will . All organisms depend on one another to maintain the balance of ecosystem.