In a school garden, students noticed fewer butterflies the previous season. Class 8

In a school garden, students noticed fewer butterflies the previous season. Class 8

Question 1.

In a school garden, students noticed fewer butterflies the previous season. What could be the possible reasons? What steps can students take to have more butterflies on campus? Class 8

Answer:

Possible reasons :

1. Fewer flowering plants.
2. Use of pesticides.
3. Less sunlight or water.

Steps students can take :

1. Plant more nectar-rich flowers.
2. Avoid harmful chemicals.
3. Create sunny, safe spots for butterflies.

Question 2.

Why is it not possible to have an ecosystem with only producers and no consumers or decomposers? Class 8

Answer:

1. Producers (like plants) make food, but they need consumers to eat them, and decomposers to recycle waste.
2. Without consumers and decomposers, the cycle breaks and nutrients won’t return to the soil.