Directions: Apply the Knowledge You Have Gained from Chapter 11

question 21

Multiple Choice

Directions: Apply the knowledge you have gained from Chapter 11 to select the best answer to the questions about the following reading passages. ​
In 1863 Secchi studied 4,000 different star patterns and concluded that every star in the sky could be categorized into one of five classes based on unique patterns. At the time, such a classification was revolutionary. It formed a new understanding of the universe. Today, Secchi's system of classification is considered out of date, and a more detailed classification system has emerged, grouping stars into seven classes based on surface temperature, color, and size.
​ Which choice below would be the best title for the passage?

• A)The History of Classifying Stars
• B)Stars: Impossible to Classify
• C)Every Star is Different
• D)The Three Classes of Stars

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Definitions:

Contraction

The process in which muscle fibers shorten in length, resulting in movement or force generation.

Connective Tissue

A type of biological tissue with the primary function of supporting, connecting, or separating different types of tissues and organs in the body.

Transport

The movement of substances across cell membranes and throughout the body.

Exocrine

Glands that secrete their products through ducts either out of the body or into the digestive system, unlike endocrine glands, which secrete hormones directly into the blood.