In Which of the Following Habitats Might an Extremophile Be

question 32

Multiple Choice

In which of the following habitats might an extremophile be isolated?

• A) human skin
• B) garden soil at neutral pH
• C) boiling hot springs
• D) freshwater pond

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Definitions:

Geologic Timescale

A system of chronological measurement that relates stratigraphy to time, used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships between events that have occurred during Earth's history.

Precambrian Era

The Precambrian Era encompasses all of geological time prior to the Cambrian Period, covering approximately 88% of Earth's history and marked by the formation of the Earth and the appearance of early life.

Oldest Rocks

The earliest-formed rocks on Earth or within a specific geological setting, often found in the deepest layers of the Earth's crust.

Mass Extinctions

Significant global events in the Earth's history where large percentages of species die out in a relatively short period of time, often due to catastrophic environmental changes.