Which of the following is an example of direct defense in plants against herbivores? A) Thorns on plant stems B) Induced plant volatiles C) Nutrient deficiency in soil D) Toxins su... Which of the following is an example of direct defense in plants against herbivores? A) Thorns on plant stems B) Induced plant volatiles C) Nutrient deficiency in soil D) Toxins such as alkaloids
Understand the Problem
The question is asking for an example of direct defense mechanisms that plants employ to protect themselves from herbivores. It provides multiple choices for the user to select the correct one.
Answer
Thorns on plant stems.
The final answer is thorns on plant stems.
Answer for screen readers
The final answer is thorns on plant stems.
More Information
Thorns are an example of direct physical defenses against herbivores. They physically injure the herbivores and deter them from eating the plant. This is a direct defense because it does not rely on other organisms or complex chemical deterrents.
Tips
A common mistake is confusing direct and indirect defenses. Direct defenses, like thorns, act immediately on the herbivore, while indirect defenses involve other organisms or the environment.
Sources
- Plant Defenses - Learn Genetics Utah - learn.genetics.utah.edu
- Mechanisms and ecological consequences of plant defence ... - academic.oup.com
- Problem 15 Which of the following plant str... [FREE SOLUTION] - Vaia - vaia.com
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