The Dominant Component of the Soil on Mars Is Probably

question 204

Multiple Choice

The dominant component of the soil on Mars is probably

• A) sedimentary rocks laid down by massive floods early in Mars's history.
• B) volcanic ash from eruptions in recent geological times.
• C) basaltic lava pulverized by meteoritic bombardment.
• D) iron oxides.

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Definitions:

Symbiotic Relationships

Close interactions between species that live together, often mutually beneficial, but can also include parasitic and commensal relationships.

Parasitism

Symbiotic relationship in which one species (the parasite) benefits in terms of growth and reproduction, to the detriment of the other species (the host).

Mutualism

Symbiotic relationship in which both species benefit in terms of growth and reproduction.

Biosphere

Zone of air, land, and water at the surface of the Earth, in which living organisms are found.