Respuesta :
The statement 'gains energy by eating other living things' is a characteristic shared by both primary and secondary consumers (Option D).
- Producers (e.g. algae and plants) are autotrophic organisms that generate their own food.
- Primary consumers and secondary consumers are heterotrophs that need to eat other organisms to survive.
- Primary consumers can be, for example, herbivores, whereas secondary consumers can be carnivores.
In conclusion, the statement 'gains energy by eating other living things' is a characteristic shared by both primary and secondary consumers (Option D).
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