Environmental Changes and Ecosystem Factors

The video tutorial introduces lesson one on environmental changes, focusing on factors affecting ecosystems and the results of these changes. It includes activities on observing seasonal changes and distinguishing between natural and human-induced changes. The lesson emphasizes the interaction between biotic and abiotic components and the importance of preserving ecosystems from harmful factors.

What is one of the main objectives of the lesson on environmental changes?

• To learn about the history of ecosystems

• To identify factors affecting ecosystems

• To study the geography of ecosystems

• To explore the economic impact of ecosystems

Which season is characterized by trees starting to grow and reproduce?

• Summer

• Winter

• Spring

• Autumn

What are biotic components in an ecosystem?

• Air and water

• Sunlight and temperature

• Living beings like animals and plants

• Rocks and soil

How many times does the forest change naturally during a year?

• Three times

• Five times

• Two times

• Four times

What is the interaction between biotic and abiotic components called?

• Habitat

• Biosphere

• Ecosystem

• Community

What is an example of a natural environmental change?

• Deforestation

• Pollution

• Volcano

• Urbanization

Which of the following is a human-induced change to the environment?

• Construction

• Rainfall

• Volcano

• Earthquake

What can be a dangerous effect of changes on the biocyanosis?

• Enhanced plant growth

• Improved air quality

• Destruction of habitats

• Increased biodiversity

Which factor is NOT a natural factor affecting ecosystems?

• Earthquake

• Volcano

• Rainfall

• Pollution

Why is it important to preserve ecosystems?

• To promote urban development

• To increase human population

• To reduce natural disasters

• To maintain biodiversity and habitat