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Comment on importance of plant animal interaction.
 
a. Animals rely on plants for food and shelter .
 
b. Silk is produced by silkworms, which feed on mulberry leaves when they spin their cocoon .
 
c. The relationship between the silkworm and the plant is economically not useful for producing silk .
 
d. The bright colour of the flowers, the smell and honey attract insects .
 
e. When insects move from one plant to another, the pollen grains from their body gets transferred to the other flower, which results in self-pollination .
 
f. Bees are the best pollinators that produce honey .
 
g. Plants and algae that do not live in coral reefs provide food for a variety of fish .
 
h. Animals and birds, play an important role in spreading seeds of various plants .
 
i. The digestive enzymes of birds harden the seed's protective layer, allowing it to germinate .
 
j. Ecology is the science that deals with the inter-relationship between plants, animals and the environment .