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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
Anatoxin-a is a neurotoxin produced by multiple genera of freshwater cyanobacteria that are found in water bodies globally. [3] Some freshwater cyanobacteria are known to be salt tolerant and thus it is possible for anatoxin-a to be found in estuarine or other saline environments. [4]
Free-living cyanobacteria are present in the water of rice paddies, and cyanobacteria can be found growing as epiphytes on the surfaces of the green alga, Chara, where they may fix nitrogen. [60] Cyanobacteria such as Anabaena (a symbiont of the aquatic fern Azolla ) can provide rice plantations with biofertilizer .
The ASPCA Animal Poison Control Center also runs a 24-hour hotline for pet parents. Save their number in your cell phone (888) 426-4435), and you’ll be ready for any after-hours doggie toxin ...
[289] [290] The head accounts for around 7–9% of the body's surface, and studies have shown that having one's head submerged in cold water only causes a person to lose 10% more heat overall. [291] [medical citation needed] Adrenochrome is not harvested from living people and has no use as a recreational drug.
Some animals can act as sentinels because they may be more susceptible or have greater exposure to a particular hazard than humans in the same environment. [1] People have long observed animals for signs of impending hazards or evidence of environmental threats. Plants and other living organisms have also been used for these purposes.
An invasive type of lizard the size of a dog has been spotted in parts of South Carolina. Here’s where and what to know about the creature. ... Tegus are better able to withstand cold than most ...
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