The ________ in Our Atmosphere Is a Direct Consequence of the Emergence

question 69

Multiple Choice

The ________ in our atmosphere is a direct consequence of the emergence of life.

• A) carbon dioxide
• B) water vapor
• C) nitrogen
• D) oxygen
• E) helium

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Definitions:

Metamorphosis

A profound change in form from one stage to the next in the life history of an organism, as from caterpillar to butterfly.

Larva

The immature, wingless, and often worm-like stage in the life cycle of insects, before they transform into adults.

Pupa

A transitional stage of a developing insect, after larva and before adulthood, during which it undergoes transformation.

Cocoon

A protective casing spun by the larvae of many insects, inside which they undergo metamorphosis into their adult form.