Browse Reference Articles
21 to 30 of 909 articles
-
Ocean acidification
Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of anthropogenic carbon dioxide from the atmosphere. Between 1751 and 2004 ... > more -
Deep sea fish
Deep sea fish is a term for fish that live below the photic zone of the ocean. Examples include the lanternfish, flashlight fish, cookie-cutter shark, bristlemouths, and anglerfish. The fish of the ... > more -
Trophic level
In ecology, the trophic level is the position that an organism occupies in a food chain - what it eats, and what eats it. Wildlife biologists look at a natural "economy of energy" that ultimately ... > more -
Food chain
Food chains and food webs and/or food networks describe the feeding relationships between species in a biotic community. In other words, they show the transfer of material and energy from one species ... > more -
Common Seal
The Harbor Seal or Common seal (Phoca vitulina) is a true seal of the Northern Hemisphere. Having the widest range of all pinnipeds, Harbor seals are found in coastal waters of the northern Atlantic ... > more -
Southeast Asia coral reefs
Southeast Asian coral reefs have the highest levels of biodiversity for the world's marine ecosystems. They serve many functions, such as forming the core of livelihood for subsistence fishermen and ... > more -
Atlantic salmon
Atlantic salmon is a fish species of the Salmonidae family found in the northern Atlantic Ocean and in rivers that flow into the Atlantic. The Atlantic salmon follows an "anadromous" fish migration ... > more
Search ScienceDaily
Number of stories in archives: 137,088

