|
|
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.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
![Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int](https://biology-forums.com/gallery/47/medium_269691_26_01_15_5_55_25_204421789.jpeg)
![In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_29_222991202.jpeg)