OBJECTIVE FORESTRY

Detailed explanation-1: -A tertiary consumer is an animal that obtains its nutrition by eating primary consumers and secondary consumers. Usually tertiary consumers are carnivorous predators, although they may also be omnivores, which are animals that feed on both meat and plant material.

Detailed explanation-2: -The number of tertiary consumers depends on secondary consumers for its food, and secondary consumers feed on primary consumers, and they depend on for its food. The tertiary consumers always have less than those of other consumers because of this inefficiency, only a few top-level consumers have enough food.

Detailed explanation-3: -The organisms that eat the producers are the primary consumers. They tend to be small in size and there are many of them. The primary consumers are herbivores (vegetarians). The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers.