noun
primary consumer
Ecological term for organisms that eat producers (plants); herbivores in a food chain.
ウサギは一次消費者で、植物を食べる。
Rabbits are primary consumers and eat plants.
生態系では、一次消費者は生産者を食べる生物を指す。
In an ecosystem, primary consumers refer to organisms that eat producers.
Compound of 一次 (primary, first-order) and 消費者 (consumer), a calque from English 'primary consumer' used in ecology.