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Starfish is the example of……….
a) Worm                                               

b) Sponges
c) 
Echinoderms                   
d) Insect 


The following picture (Brittle star) is the example of………
a) Echinoderms                   
b) Sponges
c) Insect                                                
d) Worm


The number of various types of living things found at a particular place is called……….
a) similar organism                              

b) biodiversity
c) diversity                           

d) none of these



The type of plants and animals no longer found in biodiversity is called……..
a) 
extinct                                              

b) endangered
c) both a and b                    

d) none of these


Dinosaur is the example of …………..
a) 
extinct                                              

b) endangered
c) both a and b                    

d) none of these


The organisms that are very likely to become extinct in near future are called………
a) extinct                                              

b) endangered
c) both a and b                    

d) none of these