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Author Question: Most of the crayfish's diet is made up of which of the following? a. Decomposing plant material ... (Read 23 times) |
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
On average, the stomach produces 2 L of hydrochloric acid per day.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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.