Can fish change their gender?

Can fish change their gender?

Clownfish, wrasses, moray eels, gobies and other fish species are known to change sex, including reproductive functions. A school of clownfish is always built into a hierarchy with a female fish at the top. When she dies, the most dominant male changes sex and takes her place.

How many people have ever lived on earth?

Others have estimated the number of human beings who have ever lived to be anywhere from 45 billion to 125 billion, with most estimates falling into the range of 90 to 110 billion humans.

What reasons does the Constitution give for impeaching a president?

The President, Vice President and all civil Officers of the United States, shall be removed from Office on Impeachment for, and Conviction of, Treason, Bribery, or other high Crimes and Misdemeanors.

Where is the thinker statue located?

The Thinker Locations Through Time – Notable Sales. The original marble copy of The Thinker currently resides in the Musee Rodin in Paris, France. The piece was moved to the museum after Rodin’s death when his whole estate was given to the French Government.

How many Sudoku puzzles are there?

There are a total of 6,670,903,752,021,072,936,960 possible solutions, yet when mathematicians took away rotations, reflections, permutations and relabeling, which takes away the same puzzle in just a different form, the number of solutions was 5,472,730,538.

What capital city was originally known as Edo?

In 1868 Meiji moved the seat of imperial power from Kyoto to Edo Castle, renaming the city Tokyo (Eastern Capital). This was known as the Meiji Restoration, and signified that power was restored to the emperor, and the imperial and political capitals were once again unified.

How long does it take to cook Israeli couscous?

For Israeli couscous, cook it like regular pasta. Fill a medium saucepan about 2/3 of the way with water, add some salt and a little olive oil, and bring to a boil. Dump in 1 cup of Israeli couscous and let simmer for about 8 minutes, until the couscous is al dente.

Why did they put lead in gasoline?

Leaded petrol contained a substance known as tetraethyl lead or TEL, a compound of lead in liquid form originally added to petrol to increase its octane rating. A side effect of adding TEL is that a layer of lead compounds forms on the valve faces of the engine, retarding wear.