Question

At which trophic level do urchins live?​

Answer 1

They are at the third trophic level.

Step-by-step explanation:

Sea urchins are powerful primary consumers in kelp forests. These small herbivores eat dozens of kilograms (pounds) of giant kelp every day. Secondary consumers eat herbivores.

Answer 2

Sea urchins are powerful primary consumers in kelp forests. These small herbivores eat dozens of kilograms (pounds) of giant kelp every day. Secondary consumers eat herbivores. They are at the third trophic level.

Step-by-step explanation: