Which of the Following Components of the Galaxy Best Outline

question 57

Multiple Choice

Which of the following components of the Galaxy best outline the spiral arms of the Galaxy?

• A) Young O and B stars,dust,and gas
• B) Globular clusters
• C) Predominantly solar-type stars
• D) White dwarf stars

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Definitions:

Nonphotosynthetic Partners

Organisms that do not perform photosynthesis but are involved in symbiotic relationships with photosynthetic organisms, often exchanging nutrients.

Oxygen

A chemical element with symbol O and atomic number 8, essential for most life forms on Earth as part of the process of respiration.

Ecological Niche

Of a species, unique set of requirements and roles in an ecosystem.

Unique Requirements

Specific needs that are particular to an individual organism, system, or process, distinguishing them from others.