Which of These Fall Within the Typical Range of Dimensions

question 53

Multiple Choice

Which of these fall within the typical range of dimensions of a giant molecular cloud in interstellar space?

• A) mass of about 1000 solar masses in volume with a diameter of about 1000 ly
• B) mass of about 1 million solar masses in volume with a diameter of about 100 ly
• C) mass of about 1 million solar masses in volume with a diameter of about 100 au, about the size of the solar system
• D) mass of about 1000 solar masses in volume with a diameter of about 100 ly

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Definitions:

Locomotion

The ability of an organism to move from one place to another using various bodily mechanisms.

Variety of Food

Refers to the diversity in dietary options available for consumption, encompassing different food types, flavors, and nutritional values.

Bilateral Animals

Organisms with a body plan that is symmetrically divided along a vertical plane, creating mirrored halves on either side.

Common Ancestor

An ancestor that two or more descendants have in common, where it is the most recent individual from which all organisms in a group directly descend.