Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 39.5, Problem 4CC
WHAT IF? Ø Suppose a scientist finds that a population of plants growing in a breezy location is more prone to herbivory by insects than a population of the same species growing in a sheltered area. Suggest a hypothesis to account for this observation.
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Scenario 4: On your frequent trips to Costa Rica you have seen that there are certain trees that have
ants that live on them and the same species of trees without ants. Trees that have ants living on them
show little sign of being eaten by herbivores (deer, cows, etc.), but trees without ants are severely injured
by herbivores. You think that ants may protect these trees somehow from herbivores.
Prompt
Response
What question might you ask?
What is your hypothesis?
What is your prediction?
What are your independent
and dependent variables?
How would you experimentally
test your hypothesis? Be sure
to identify your control and
treatment groups.
Scenario 5: While walking in a park, you see lush growth of a certain plant in some areas, but very poor
light and moisture between these areas
Prediction versus hypothesis
Homework • Unanswered
Which of these is a prediction
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a When planted alongside garlic buds, strawberry plants are bug-free
If garlic buds deter bugs that attack strawberry plants, then strawberry plants that are planted alongside garlic buds will
host fewer bugs than those strawberry plants that are planted on their own
WHAT IF? Suppose a scientist finds that a populationof plants growing in a breezy location is more prone toherbivory by insects than a population of the samespecies growing in a sheltered area. Suggest a hypothesisto account for this observation.
Chapter 39 Solutions
Campbell Biology (11th Edition)
Ch. 39.1 - What are the morphological differences between...Ch. 39.1 - Cycloheximide is a drug that inhibits protein...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - WHAT IF? If a plant has the double mutation err...Ch. 39.2 - MAKE CONNECTIONS What type of feedback process is...Ch. 39.3 - If an enzyme in field-grown soybean leaves is most...Ch. 39.3 - WHAT IF? If a plant flowers in a controlled...Ch. 39.3 - MAKE CONNECTIONS Plants detect the quality of...Ch. 39.4 - Prob. 1CC
Ch. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.5 - What are some drawbacks of spraying fields with...Ch. 39.5 - Chewing insects mechanically damage plants and...Ch. 39.5 - Many fungal pathogens get food by causing plant...Ch. 39.5 - WHAT IF? Suppose a scientist finds that a...Ch. 39 - What are two common ways by which signal...Ch. 39 - Is there any truth to the old adage, "One bad...Ch. 39 - Why did plant physiologists propose the existence...Ch. 39 - Plants that have acclimated to drought stress are...Ch. 39 - Prob. 39.5CRCh. 39 - Prob. 1TYUCh. 39 - Prob. 2TYUCh. 39 - Prob. 3TYUCh. 39 - How may a plant respond to severe heat stress? (A)...Ch. 39 - Level 2: Application/Analysis 5. The signaling...Ch. 39 - If a long-day plant has a critical night length of...Ch. 39 - Prob. 7TYUCh. 39 - DRAW IT Indicate the response to each condition by...Ch. 39 - Level 3: Synthesis/Evaluation 9. EVOLUTION...Ch. 39 - SCIENTIFIC INQUIRY A plant biologist observed a...Ch. 39 - SCIENCE. TECHNOLOGY, AND SOCIETY Describe how our...Ch. 39 - Prob. 12TYUCh. 39 - Prob. 13TYU
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