Question

differentiate between Food Chain and Food Web construct an aquatic food chain showing four tophic levels

Answer 1

Both the Food Chain and Food Web are models used to study nature. A food chain shows the relationship between predator and prey in a linear way. A food web shows the relationship in a holistic and more complete way. A Chain model is useful when specific variables are isolated and being studied. A Web Model is closer to actual reality.

Example of a Food Chain: Wolf eats Rabbit 
Example of a Food Web: Wolf and Rabbit

Answer 2

food chain :

a series of organisms each dependent on the next as a source of food.


food web :

interlinked food chain is called food web.


hope this helps :)