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Did you know?
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.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.