Which of the following statements exemplify an induced defense? (choose all that

Question

Which of the following statements exemplify an induced defense? (choose all that apply)

1. Some cacti increase their production of spines only after they have been grazed.

2. Poison ivy contains a compound called urushiol, toxic to herbivores.

3. After being attacked by herbivores the tobacco plant produces a compound that attracts parasitoids.

4. Beech trees respond to herbivory by increasing both leaf production and photosynthetic rate.

5. The thorns of blackberry serve as a mechanical defense against herbivory.

Explanation / Answer

Answer:

Which of the following statements exemplify an induced defense? (choose all that apply)

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