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Ocean phytoplankton produce at least half of the oxygen that we breathe. Though small in size they are able to produce as much oxygen as all of the land plants on earth combined. While trees and plants usually get all the credit for our oxygen, we actually should be thanking our marine plankton!
If all of the salt from the ocean were dried up and spread out evenly over the land continents, the salt would be about 5 feet high!
Can you imagining putting a person in a time capsule and then opening it up 80 million years later to discover that they’re still alive? Scientists have found a bacterial colony buried 100 feet deep in the Pacific Ocean floor that hasn’t received light, oxygen, or food for over 80 million years, and they’re still alive! A very slow metabolism and dividing to make identical copies of themselves allow these bacteria to survive for so long.
Did you know that some sharks can live in freshwater? The bull shark is able to withstand changes in salinity and swim from the ocean into freshwater rivers.
On the outside, green turtles are usually some combination of brown, black and grey in color, with yellow accents. They are called “green” turtles because their internal fat tissue is green due to their herbivorous diet.
Photo: Oregon State University Salmon are an important member of the ecosystem, economy, and culture in the Pacific Northwest region of the United States. However, over the past several decades, wild populations of salmon in the region have decreased significantly, with many stocks listed as threatened or endangered under the US Endangered Species Act. In the 19th century, hatcheries for salmon were developed and now serve a role in providing salmon and steelhead stock for fisheries and contributing to conservation efforts. Although hatcheries show the potential to have a positive impact,... (more)