Consider the following : 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them ?
Explanation
All three groups have poisonous species. Some butterflies, such as the monarch and the common crow, store toxins from the plants their caterpillars eat. Pufferfish carry tetrodotoxin, and the poison dart frogs of Central and South America secrete potent toxins through their skin.