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BIOLOGY TRIVIA

Sub-Categories: Animal Trivia

1) What is the most common element in the human body?


Oxygen is the most common element in the human body, making up almost 63% of the average human, followed by carbon (19.37%), hydrogen (9.31%), and nitrogen (5.14%).

2) What is the scientific term for the production of light by living organisms?


Many plants and animals are capable of producing visible light. The scientific term for this phenomenon is bioluminescence.

3) Unlike most other fish, sharks have no ______?


Unlike most other fish, a shark has no bones! Its skeleton is made of cartilage, a material somewhat softer and more flexible than bone.

4) What human organ cleans fifty gallons of blood every day?


Your kidneys filter fifty gallons of blood every day, producing about 1.5 liters of urine!

5) What illness accounted for 40 percent of U. S. military casualties during World War I?


The Flu killed 43,000 American servicemen mobilized for World War I, representing nearly 40 percent of U. S. military casualties.

6) What living animal has the heaviest brain?


Sperm Whales have the heaviest brain of any living animal. The average Sperm Whale's brain weighs more than 20 pounds (9 kilograms) which is about 4 times heavier than the average human brain.

7) What is the scientific term for an apparent "throwback" characteristic of an organism that reveals a trait of an earlier ancestor?


Atavism is an apparent "throwback" characteristic of an organism that reveals a trait of an earlier ancestor. Examples of atavism include hind legs on whales, teech in chickens, and color blindness in humans.

8) Which of the following has more bones?


A baby has more bones. As they grow, some of their bones fuse together.

9) Which of the following has the longest recorded life span?


Of these animals, the Freshwater Oyster has the longest recorded life span at 80 years. The longest recorded life span for a termite is 50 years; for a chimapanzee, 50 years; and for an Indian elephant, 70 years.

10) What was the first genetically engineered organism?


In 1983, the first genetically engineered organism, a tobacco plant designed to be resistant to certain herbicides, was grown in Wisconson.


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