Question

Assertion [A]: Food webs are formed because of complex feeding relationships among organisms.

Reason [R]: Most organisms feed at one or more trophic levels in a food chain.

• A. Both A and R are true and R explains A
• B. Both A and R are true but R does not explain A
• C. A is true and R is false
• D. Both A and R are false

Answer 1

The correct option is A Both A and R are true and R explains A

Many living organisms are omnivores. It is difficult to place these organisms in a linear food chain. For example, when a bear eats berries, the bear is functioning as a primary consumer but when the same bear eats a plant-eating rodent, the bear is functioning as a secondary consumer. So, the diet of some organisms make the relationships complex and thus food web is formed.