Which of the Following Is Considered by Biologists to Be

question 70

Multiple Choice

Which of the following is considered by biologists to be a likely place where life might have first arisen on Earth?

• A) In hot water near undersea volcanoes
• B) On meteorites that landed on Earth
• C) On land surfaces that got moderately heavy rainfall
• D) Deep in Earth's core

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Definitions:

Allopatric Speciation

The evolution of new species through geographic isolation, where populations are separated by physical barriers that prevent gene flow.

Directional Selection

A process of natural selection where individuals with traits on one end of the spectrum are more likely to survive and reproduce, leading to a shift in the population trait distribution over time.

Polyploid Cell

A cell containing more than two paired (homologous) sets of chromosomes, often found in plants and some animal species.