Trivia questions and answers, drawn fresh from the well

• Easy Easy difficulty.
• Evolution And Natural Selection

Which evolutionary concept describes different species sharing a trait because they inherited it from a common ancestor?

Answer

Homology

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• Easy Easy difficulty.
• Evolution And Natural Selection

Which hominin species is represented by the 3.2-million-year-old fossil skeleton known as Lucy?

Answer

Australopithecus afarensis

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• Easy Easy difficulty.
• Evolution And Natural Selection

Which evolutionary process reduces genetic variation when a population passes through a severe temporary decline?

Answer

Population bottleneck

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• Intermediate Intermediate difficulty.
• Evolution And Natural Selection

What is the name of the fused human chromosome formed when two ancestral ape chromosomes joined?

Answer

Chromosome 2

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• Hard Hard difficulty.
• Evolution And Natural Selection

Which evolutionary theory did Motoo Kimura propose in 1968 to explain many molecular changes as selectively neutral?

Answer

Neutral theory of molecular evolution

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• Intermediate Intermediate difficulty.
• Evolution And Natural Selection

Which term, coined by Stephen Jay Gould and Niles Eldredge in 1972, describes long evolutionary stability interrupted by rapid change?

Answer

Punctuated equilibrium

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• Intermediate Intermediate difficulty.
• The Periodic Table

Which element was first identified in the Sun's spectrum before it was found on Earth?

Answer

Helium

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• Hard Hard difficulty.
• The Periodic Table

On the periodic table, which element is the heaviest naturally occurring element with a stable isotope?

Answer

Lead

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• Intermediate Intermediate difficulty.
• The Periodic Table

On the periodic table, which element is the most abundant in Earth’s crust by number of atoms?

Answer

Oxygen

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• Hard Hard difficulty.
• The Periodic Table

On the periodic table, which element is the only one whose name begins with the letter J?

Answer

None

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• Hard Hard difficulty.
• The Periodic Table

On the periodic table, which element was named after the Nobel Prize founder Alfred Nobel?

Answer

Nobelium

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• Hard Hard difficulty.
• The Periodic Table

On the periodic table, which element is the lightest solid at standard room temperature?

Answer

Lithium

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