Tell me a tertiary consumer that lives in streams or rivers. Tertiary consumer is an animal that eats other animals. this is how it will be: producers --> primary consumers --> second consumers --> tertiary consumers.
This is a major grade, please help

an otter

Explanation:

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

do yall know the answer?