Find the incorrect statement from the following .

Options

A. Tropical rain forests cover around 6 percent of earth's land surface.
B. Animals with migratory habits are badly affected by habitat loss and fragmentation .
C. Mammals and brides require small territories.
D. Amazon rain forest is being cut and cleared for soya bean cultivation or for conversion to grasslands for raising beef cattle

Answer

To solve the question of identifying the incorrect statement from the provided options, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Analyze the First Statement:**
- The statement claims that tropical rainforests cover about 6% of the Earth's land surface.
- **Fact Check:** Tropical rainforests actually cover about 7% of the Earth's land surface, but they are home to over 50% of the world's wildlife.
- **Conclusion:** This statement is incorrect.

2. **Analyze the Second Statement:**
- The statement claims that animals with migratory habits are badly affected by habitat loss and fragmentation.
- **Fact Check:** This is true. Habitat loss and fragmentation significantly impact migratory species, often leading to a decline in their populations.
- **Conclusion:** This statement is correct.

3. **Analyze the Third Statement:**
- The statement claims that mammals and birds require small territories.
- **Fact Check:** This is incorrect. Many mammals and birds require large territories for their survival and to meet their ecological needs.
- **Conclusion:** This statement is incorrect.

4. **Analyze the Fourth Statement:**
- The statement claims that the Amazon rainforest is being cut and cleared for soybean cultivation or for conversion to grassland for raising beef cattle.
- **Fact Check:** This is true. The Amazon rainforest is indeed being cleared for these agricultural purposes.
- **Conclusion:** This statement is correct.

### Final Conclusion:
Based on the analysis, the incorrect statements are:
- The first statement about tropical rainforests covering 6% of the Earth's land surface.
- The third statement about mammals and birds requiring small territories.

### Answer:
The incorrect statement is the first one: "Tropical rainforests cover about 6% of the earth land surface."