respiration: Media
biology
Videos
Examine the ecologic importance, life cycle, and anatomical structures of the freshwater crustaceans Daphnia
Bright swarms of Daphnia serve as the food source of many larger animals....
Video: Encyclopædia Britannica, Inc.
How light affects plant growth
Experimental evidence of plant respiration.
Video: Encyclopædia Britannica, Inc.
Study the roles of a fish's scales, swim bladder, and gills in its respiratory system
The scales, swim bladder, and gills of the ray-finned fishes.
Video: Encyclopædia Britannica, Inc.