How Nature Works in Harmony Science - How Nature Works in Harmony

What was a major reason for the ban on frog leg exports in India?

Which of the following is an example of an abiotic component?

What happens to pest populations when frog numbers decrease?

Which organism is classified as a decomposer?

What is the main source of energy for producers in an ecosystem?

Researchers conducted a study to see how fish in ponds affect seed production in the plants nearby. They observed two ponds with fish and a large number of flowering plants around them; B without fish and fewer flowering plants around it (Fig.). Think of a reason for these observations.

Q.1. Compare the number of dragonflies, bees, and butterflies in both ponds.
Q.2. Think of a reason for these observations.
Q.3. What does this study show? How does the population of fish in a pond affect seed production in nearby plants?

The Green Revolution introduced ________________ to boost agricultural yields.

________________ forests help protect coastal areas from storms and floods.

The relationship where both organisms benefit is known as ________________

________________ is the process by which plants make their own food using sunlight.

A group of the same species living in a habitat is called a ________________

If two kinds of birds compete for the same fruit, how might their way of living change over time?

How might the loss of forest cover and changes in rainfall patterns lead elephants to enter human farms and villages?

Can human actions cause natural disasters?

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

Selvam from Cuddalore district, Tamil Nadu, shared that his milage was less affected by the 2004 Tsunami compared to nearby milages due to the presence of mangrove forests. This surprised Sarita, Shabnam, and Shijo. They wondered if mangroves were protecting the village. Can you help them understand this?

A food web consists of a single feeding relationship.

Overuse of pesticides can lead to the development of pest resistance.

Herbivores are found at the top of the food chain.

Mangroves have no role in reducing the impact of tsunamis.

All ecosystems can survive without decomposers.

Imagine you are a tree in a dense forest. What kind of relationships would you have with water, sunlight, other animals, and other components of the forest?

Do you think the Earth can thrive without humans? Can humans survive without the Earth?

Look at this food chain:
Grass → Grasshopper → Frog → Snake
If frogs disappear from this ecosystem, what will happen to the population of grasshoppers and snakes? Why?

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?

If the Indian hare population (Fig.) drops because of a disease, how would it affect the number of other organisms?

Refer to the given diagram (Fig.) and select the wrong statement.

(i) A community is larger than a population.
(ii) A community is smaller than an ecosystem.
(iii) An ecosystem is part of a community.

How can students help increase butterfly populations in a school garden?

What is an ecological pyramid, and what does it show?

Why did the Government of India ban frog leg exports?

Describe one example of mutualism in nature.