Ocean acidification, a product of CO[subscript 2] absorption by the world's oceans, is largely driven by the anthropogenic combustion of fossil fuels and has already lowered the pH of marine ecosystems. Organisms with calcium carbonate shells and skeletons are especially susceptible to increasing environmental acidity due to reduction in the…

Describes the general thrust of deep-sea microbiology research. Discusses the existence of deep-sea food chains. (CP)

The mixing of sediments by organisms (bioturbation) is discussed. Research techniques are discussed and data on Atlantic bioturbation rates are provided. (CP)

This collection of student activities for grades four through twelve presents action-oriented experiences with hardy aquatic organisms as the foundation for a laboratory-oriented science program. The format is characterized by pre-lab, post-lab, and student sections. Pre-lab topics include level, concepts, facts, suggested prerequisite skills,…

Describes a series of science activities involving dissection and analysis of a sea necklace. (CP)