Aquatic biomonitoring is the science of inferring the ecological condition of rivers, lakes, streams, and wetlands by examining the organisms that live there. While aquatic biomonitoring is the most c
A biosurvey on the North Toe River. North Carolina
A scientist returning from a sampling expedition at an oil spill site on Bodo Creek in the Niger River Delta
Caddis fly spp. larvae are a common indicator organism
Population and species surveying using electrofishing equipment
Invertebrates are animals that neither develop nor retain a vertebral column, which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordate subphylum Ver
The fossil coral Cladocora from the Pliocene of Cyprus
Tracheal system of dissected cockroach. The largest tracheae run across the width of the body of the cockroach and are horizontal in this image. Scale bar, 2 mm.