Answer:
Food Chain and Food Web A straight
line sequence of 'who eats whom' or eating and being eaten in an ecosystem is
called a food chain. A network of cross connecting food chains involving
producers, consumers and decomposers are termed as a food web. Lion, Tiger ?
Top carnivore (Top tropic level)
Spider, cockroach, lizard, wolf, snake,
toad, fish, crane ? Secondly Consumer (IIIrdtrophic level).
Crustaceans, grasshopper, deer,
mouse, squirrel, rabbit, elephant, goat ? Primary
Consumer (IInd trophic level).
Phytoplankton, algae, Hydrilla,
maize plant, Nymphaea, Spirpgyra ? Producers (1st trophic level).
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