Which of the following statements is true?

secondary consumers are always carnivores.
as population density increases, competition for resources decreases.
a sparrow and a caterpillar both live in the same tree. they share a niche.
secondary consumers receive less energy from the food chain than primary consumers.

Secondary consumers receive less energy from the food chain than primary consumers.

Primary consumers are herbivores, meaning they eat the plants that have 100% energy.

Secondary consumers are either omnivores or carnivores. This means that they eat both animals and plants. In the situation that a secondary consumer is a carnivore, the secondary consumer is receiving less energy from the primary consumer.

Hope this helps!