Beyond Expelling Organs at Predators: What Else Are Sea Cucumbers Hiding?
Featured image caption: Sea cucumbers are echinoderms that live on the ocean floor worldwide. Some species are also edible and
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marine life
How Climate-driven Ocean Changes Affect Right Whale Populations
It is no secret that the world is ever-shifting towards a warmer reality. With conditions changing greatly in the Gulf of Maine, researchers are now exploring how climate-driven changes have been affecting the North Atlantic right whale populations. Sadly, their findings have shone a light towards a worrisome reality – a reality where these whales might be driven into extinction.
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Sunblock for Plankton
Chances are that you take steps to protect yourself from the sun’s ultraviolet radiation, but have you ever wondered if other animals have to do this as well? What about the ones that live underwater? Read on to learn how plankton are affected by UVR, and the adaptation that helps to protect them.
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Melting Moves Marine Mammals
As glaciers melt, the species who live there are faced with a dilemma – retreat into the little remaining habitat or find some way to adapt. Movement data from populations of ringed seals and white whales before and after a major sea-ice decline provides insight on how each species has responded to habitat loss. One of these species has chosen retreat, while the other has learned to adapt.
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The Fate of Our Microplastics
Microplastics, or plastics smaller than a sesame seed, have become a growing concern for marine environments. A majority of facial cleaners contain microplastics, such as microbeads or micro exfoliates, which get washed down the sink drain and end up in our oceans. A research team in Auckland, New Zealand investigated four local brands, and determined all four brands contained about 150 microplastics per 1.5 grams of cleanser. Most were around the size of a grain of sand, and some were irregularly shaped and susceptible to breaking down into smaller pieces. The apprehension of these findings is that small plastic particles could be confused for food by microscopic marine life, and the plastic could accumulate up the food chain and harm marine life. Furthermore, microplastics can also accumulate chemical toxins in the ocean, and their environmentally persistent nature allows for them to become more toxic as they age. Therefore, simple measures such as using organic facial cleansers, and becoming more aware of our daily habits and products use, are essential to reducing ocean pollution.
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