'(a) Define trophic level. Draw the food chain with four trophic levels. (b) What will happen if we'

'(a) Define trophic level. Draw the food chain with four trophic levels. (b) What will happen if we'
03:17 Feb 15, 2021
'(a) Define trophic level. Draw the food chain with four trophic levels. (b) What will happen if we kill all orgainsms in one trophic level ?' 
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