Big cats like tigers and other carnivores are often the top predators in an ecosystem. To which trophic level do they most likely belong? primary producers
decomposers
tertiary consumers
primary consumers

Tertiary consumers.

Explanation:
DECOMPOSERS break down dead organic matter.
PRIMARY PRODUCERS produce their own food. For example, plants make their own food from the sun during photosynthesis
PRIMARY CONSUMERS are those who eat other living things like PLANTS. Primary consumers are herbivores.

THE ANSWER IS:
Tertiary Consumers
Top predators that are carnivores and are large animals. Also called as A p e x Predators.

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