Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Ecosystem

Question:

What trophic level do carnivores typically belong to?

Options:

First trophic level

Second trophic level

Third trophic level

It varies depending on the ecosystem

Correct Answer:

Third trophic level

Explanation:

The correct answer is c) Third trophic level.

Carnivores typically belong to the third trophic level in most ecosystems. Trophic levels represent the different positions or feeding levels in a food chain or food web, indicating the flow of energy and nutrients from one organism to another.

At the first trophic level, you have the primary producers, such as plants or autotrophic organisms. They convert sunlight and inorganic substances into organic matter through photosynthesis. These producers form the base of the food chain.

The second trophic level is occupied by herbivores, which are organisms that primarily feed on plants or plant material. Herbivores consume the primary producers and obtain energy and nutrients from them.

Carnivores, on the other hand, are organisms that primarily feed on other animals. They occupy the third trophic level as they obtain their energy by consuming herbivores or other carnivores. Carnivores are often referred to as secondary consumers because they are one level away from the primary producers in the energy flow.

Carnivores play an important role in the transfer of energy and nutrients through the ecosystem. They derive their energy by consuming other organisms, which may be herbivores or other carnivores. This energy flow allows energy and nutrients to be transferred from lower trophic levels to higher trophic levels.

While carnivores typically belong to the third trophic level, it's important to note that the exact classification of organisms can vary depending on the ecosystem and the specific feeding relationships within it. In some cases, there may be additional trophic levels or variations in the food web structure, leading to variations in the trophic level of carnivores.