Vocabulary Study: Use Context Clues: Technical Vocabulary

Recognize Technical Terms Technical terms are words used in different ways for particular subjects. You can use context clues to help understand their meanings. Reread “The Need for Food” on pages 562–563. Answer the questions, using context clues to understand the term genetic engineering.

  • 1. What is a gene?

  • 2. What do genes do in living things?

  • 3. What can scientists now do with genes?

Literary Analysis: Analyze Support in Persuasive Text

Persuasive arguments use evidence as support to convince the reader.

Types of Support
FactsDates, names of people and places, other things that can be proved
StatisticsMeasurements, numbers, percentages
QuotationsExact words from interviews or documents
Expert OpinionsIdeas from people who know a lot about the topic
Personal ExperienceDetails the author gives about his or her experience with the topic

The argument below uses a fact as support.

Identify and Evaluate Support Make a list of the arguments in “Feeding the World.” Look for support for each.