How Nature Works in Harmony
Short Questions
1. What is a habitat?
Answer:- A habitat is a place where an organism lives and grows.
2.What are biotic components?
Answer:- Biotic components are the living things in a habitat like plants and animals.
3.What are abiotic components?
Answer:- Abiotic components are the non-living things like air, water, and soil.
4.What is a population?
Answer:- A population is a group of the same kind of organisms living in one place.
5.What is a community?
Answer:- A community is made up of different populations living in the same area.
6.Who are producers in an ecosystem?
Answer:- Producers are plants that make their own food by photosynthesis.
7.Who are consumers?
Answer:- Consumers are animals that eat plants or other animals.
8.What are decomposers?
Answer:- Decomposers break down dead plants and animals into nutrients.
9.Give one example of a food chain.
Answer:- Grass → Grasshopper → Frog → Snake → Eagle
10.What is mutualism?
Answer:- Mutualism is a relationship where both organisms benefit.
11.What is commensalism?
Answer:- In commensalism, one organism benefits and the other is not harmed.
12.What is parasitism?
Answer:- In parasitism, one organism benefits and the other is harmed.
13.Name one natural ecosystem.
Answer:- A forest is a natural ecosystem.
14.Name one human-made ecosystem.
Answer:- A farm is a human-made ecosystem.
15.Why are decomposers important?
Answer:- They recycle nutrients back into the soil.
Long Questions
1. Why do elephants enter human farms and villages?
Answer:- Elephants lose food and water in forests due to deforestation.So, they enter farms in search of food like sugarcane and bananas.
2.How do biotic and abiotic components form an ecosystem?
Answer:- Living and non-living things interact and depend on each other.This interaction forms an ecosystem that supports life.
3.Why can’t an ecosystem have only producers?
Answer:- Producers need decomposers and consumers to complete the cycle.Without them, nutrients won’t be recycled and balance will break.
4.What happens if frogs disappear from a food chain?
Answer:- Grasshoppers will increase and snakes may die from no food.This will disturb the balance of the ecosystem.
5.How do fish help in increasing flowering plants near ponds?
Answer:- Fish eat dragonfly larvae, so dragonflies reduce.This helps pollinators like bees increase, helping flowers bloom more.
6.How do food chains and food webs differ?
Answer:- A food chain shows one feeding path, while a food web shows many.Food webs link several chains, showing the full picture.
7.What are the benefits of the Sundarbans ecosystem?
Answer:- Sundarbans slow down storms and absorb carbon dioxide.They also provide oxygen and shelter for animals.
8.Why should we adopt sustainable farming?
Answer:- Using too many chemicals harms soil and nature.Eco-friendly methods keep soil healthy and protect our food.
9.What happens when plants in a pond start dying?
Answer:- Oxygen in the water reduces, and fish start dying.Insects increase and spread to farms, harming crops.
10.How can we protect ecosystems?
Answer:- By reducing pollution, saving trees, and managing resources wisely.Protected areas like national parks help conserve nature.
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