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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
![Clockwise from above left: Green turtle (Chelonia mydas), Tuatara (Sphenodon punctatus), Nile Crocod](https://biology-forums.com/gallery/47/medium_27759_23_04_12_7_58_52.jpeg)
![Seriation features operations of comparing the length of each stick to the other sticks and putting ...](https://biology-forums.com/gallery/47/medium_667187_21_02_17_7_13_09_256652177.png)