Wolves and lions are at the same trophic level because they
a) are large mammals
b) eat only when they are hungry
c) eat primary consumers
d) live on land
e) both b and c

The correct answer is c) eat primary consumers

Explanation:

The position which is acquired by an organism in a food chain is its trophic level. Producers make the primary trophic level and the organisms which consume producers to gain energy are called primary consumers. So primary consumers are basically herbivores.

Secondary consumer are those organisms that eats primary consumers.  As wolves and lions both eat primary consumers so they both are secondary consumers and shares the same tropic level as secondary consumers.

Wolves mainly prey on deer, bison, rain deer, and moss which are primary consumers and lion basically prey on deer, wild buffalo, zebra which are also primary consumers. So the right answer is c) eat primary consumers.

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