The First Evidence for a Finite, Not Infinite, Speed of Light

question 24

Multiple Choice

The first evidence for a finite, not infinite, speed of light came from observations in which

• A) sunlight was observed just as the sun was fully eclipsed by the moon.
• B) the orbital time of one of Jupiter's moons was observed during two successive orbits.
• C) Galileo reflected a light beam from rapidly rotating mirrors in a laboratory.
• D) Galileo measured the time for light to travel to a distant mountain and back again.
• E) sunlight passed through a narrow slit as the sun rose at the summer solstice (longest day of the year).

Describe the structure and functions of lophophores and their evolutionary significance.

Identify and explain the anatomical adaptations for movement and feeding in annelids.

Discuss the implications of having an anterior brain in protostomes and its evolutionary benefits.

Recognize the importance and characteristics of model organisms in research, with emphasis on Caenorhabditis elegans.

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Definitions:

19th Century

The period from January 1, 1801, to December 31, 1900, characterized by industrialization, colonization, and significant cultural and technological advancements.

20th Century

A period extending from January 1, 1901, to December 31, 2000, marked by significant technological, social, and political changes worldwide.

Federal Spending

Expenditures made by the government of a country on national-level services and projects.

Medicare

A federal health insurance program in the United States for people aged 65 and older, certain younger people with disabilities, and people with End-Stage Renal Disease.