| 1. An increase in the plant population Bulbul |
| 2. An increase in the lizard population |
| 3. No change in the caterpillar population |
| 4. An increase in the snake population |
A) 1 and 3 only
B) 1 and 4 only
C) 2 and 4 only
D) 1 and 2 only
Correct Answer: B
Solution :
When bulbul's population is increased, it would eat more grasshoppers and caterpillars. As a result, population of grasshoppers and caterpillars would decrease and hence plant population will increase. Similarly, since snakes feed on bulbul, any increase in bulbul's population would increase population of snakes.
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