Substances Used by Organisms as Poisons to Deter Predators Are

Question

Substances used by organisms as poisons to deter predators are often known as
A) Refuges
B) Secondary compounds
C) Fatty acids
D) Hormones

Accepted Answer

Secondary compounds are substances produced by plants and some animals that are not directly involved in the primary metabolic processes (such as growth, development, and reproduction) but are used to deter herbivores and predators through toxic or repellent properties.