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Food web is a network of more than………food chain.
a) one    

b) two                    

c) three  

d) four


b

Which of the following organisms are included in decomposers?
a) plants                                               

b) animals
c) fungi and bacteria        

d) all of these

c

Why fungi and bacteria are included in decomposers?
a) they cannot produce their own food          
b) they produce their food by photosynthesis
c) they get their food from dead bodies
d) they reproduce asexually

c

Explanation:Decomposers lack chlorophyll in their cells and cannot carried out photosynthesis


Which of the following is not decomposer?
a) mushrooms                     

b) puffballs
c) salmonella                       

d) mustard plant


d

The feeding relationship between organisms can be represented in a…….
a) ecological cycle              

b) food chain
c) ecological pyramid        

d) none

b

Food chain:
a) begin at producers
b) begins at a consumer
c) begin at a decomposerd

d) ends at producer

a