Living Together: Rocky Intertidal Zone, The: Challenges and Adaptations
The intertidal zone contains a rich abundance of diverse organisms, despite a multitude of challenges, from pounding waves and temperature fluctuation to competition for scarce resources. Nonetheless, many organisms manage to not only survive but to...
Living Together: Estuaries: Productivity and Vulnerability
Estuaries and wetlands are among the most productive areas anywhere, literally teeming with life. But these environments are often threatened by nutrient discharge from agricultural or farm land, as well as the building of homes or other forms of de...
Living Together: Symbiotic Relationships
The relationship between some of the algae and animals living in a coral reef is symbiotic, meaning the two species live together. Symbiotic relationships between residents of coral reefs or other communities can be mutually beneficial, but that is ...
Living Together: Marine Communities: Change and Bio-Diversity
For communities in the marine environment, change is an ongoing reality. Bio-diversity, which refers to the number of species and relative abundance of different species within a community, offers the best chance for community survival.