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A bird introduced from another country b...

A bird introduced from another country became a serious pest due to -

A

Better adaptation to new area

B

More sexual reproduction

C

Better nesting habitats

D

Absence of natural competition

Text Solution

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The correct Answer is:
To answer the question about why a bird introduced from another country became a serious pest, we can analyze the options provided. ### Step-by-Step Solution: 1. **Understanding the Context**: - The question refers to an introduced bird species that has become a pest in a new environment. This often occurs when a species is brought into a new habitat where it lacks natural predators or competitors. 2. **Analyzing the Options**: - **Option 1: Better adaptation to new area**: While adaptation can play a role, it is not the primary reason for becoming a pest. - **Option 2: More sexual reproduction**: Increased reproduction can lead to population growth, but it is not the sole factor for becoming a pest. - **Option 3: Better nesting habitats**: This could help in the survival of the species but does not directly explain pest behavior. - **Option 4: Absence of natural competition**: This is a key factor. Without natural competitors or predators, the introduced species can thrive and reproduce unchecked, leading to pest status. 3. **Conclusion**: - The best answer is **Option 4: Absence of natural competition**. When a species is introduced to a new environment without its natural enemies, it can proliferate rapidly and become a pest. ### Final Answer: A bird introduced from another country became a serious pest due to the **absence of natural competition**. ---
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