Which Atmospheric Zone Supports the Biosphere and Is the Region

question 119

Multiple Choice

Which atmospheric zone supports the biosphere and is the region of principle weather activity?

• A) thermosphere
• B) mesosphere
• C) stratosphere
• D) troposphere

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Definitions:

Ventrally

Pertaining to the belly or underside of an animal or organism; the opposite of dorsally, which refers to the back or upper side.

Chordate Notochord

A flexible rod made out of a material similar to cartilage that provides support in all chordates at some stage of their development.

Eutherian Mammal

Mammals that are characterized by a complex placenta that allows a long gestation period within the uterus, leading to the birth of relatively well-developed offspring.

Insectivora

An obsolete term for an order of mammals, now split into various orders, that are characterized by feeding on insects and other small invertebrates.