What chemical defenses do plants have that deter animals? Select the TWO answers that are correct.

Question

Quizplus · Accepted Answer

Plants have several chemical defenses that deter animals. Abrasive leaves (A) can deter some herbivores, but not all, and may not be as effective as other chemical defenses. Sharp thorns (C) can deter some animals, but not all, and may not be present on all plants. Thick bark (D) can protect trees from physical damage, but may not deter animals that can digest it. Bitter compounds (B) and toxic substances (E) are two effective chemical defenses that can deter a wide range of animals, making them the best choices for this question.

What Chemical Defenses Do Plants Have That Deter Animals? Select