Frogs have the ability to change the colour to hide them from their enemies (camouflage). This protective coloration is called

Options

A. Aestivation
B. Concealment
C. Mimicry
D. Hibernation

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Question**: The question asks about the ability of frogs to change their color for protection against predators. This adaptation is crucial for their survival in the wild.

2. **Identifying the Term**: The specific term that describes this ability of frogs to change color for camouflage is known as "protective coloration."

3. **Defining Protective Coloration**: Protective coloration refers to the ability of an organism to change its color or pattern to blend in with its surroundings. This adaptation helps them avoid detection by predators.

4. **Mechanism of Color Change**: Frogs can change their color through various physiological mechanisms, including the expansion or contraction of pigment cells in their skin, which allows them to match their environment.

5. **Conclusion**: The protective coloration that frogs exhibit to hide from their enemies is called "camouflage."

**Final Answer**: The protective coloration is called "camouflage."

---