primary consumer
Ecological term for organisms that eat producers (plants); herbivores in a food chain.
Rabbits are primary consumers and eat plants.
In an ecosystem, primary consumers refer to organisms that eat producers.
Producers (plants) that create energy from sunlight; eaten by primary consumers.
Secondary consumers that eat primary consumers; carnivores or omnivores.
Compound of 一次 (primary, first-order) and 消費者 (consumer), a calque from English 'primary consumer' used in ecology.