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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.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
![(a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_38_22_19801064.jpeg)
![Variations on a theme: archaic Homo sapiens, Neandertal, and anatomically modern Homo sapiens skulls](https://biology-forums.com/gallery/47/medium_273688_23_02_15_7_03_07_208192477.jpeg)