The disease is caused by the ciliate protozoan Ichthyophthirius multifiliis, commonly called ich or ick. Fish infected with ich typically develop sma......
Definition of dreary. 1 : feeling, displaying, or reflecting listlessness or discouragement cheer a dreary mind— George Berkeley. 2 : having nothing ......
Pharyngoesophageal Segment. An anatomic tube composed of a mucosal lining surrounded by a layer of muscle that extends from the nasal cavity to the f......
The goal of science is to understand the natural world through systematic study. Scientists gain knowledge through scientific investigations. A scien......