Ecosystem Functions and Organism Roles

The video explores the environment, its components, and how they interact. It covers ecosystems, abiotic factors like light, air, and temperature, and their effects on organisms. The importance of water and soil is discussed, along with biotic components such as producers, consumers, and decomposers.

Which of the following is NOT a basic part of the environment?

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

What does the term 'ecosystem' primarily refer to?

• A community of only plants

• A type of environment found only in forests

• A self-contained area with interacting organisms and physical conditions

• A group of similar organisms

Which of the following animals is NOT diurnal?

• Owl

• Sparrow

• Butterfly

• Pigeon

What is the primary gas taken in by organisms from the air for making food?

• Carbon Dioxide

• Oxygen

• Hydrogen

• Nitrogen

Which of the following is a result of large-scale deforestation?

• Decrease in oxygen levels

• Increase in carbon dioxide levels

• Increase in biodiversity

• Decrease in soil erosion

What is the primary role of water in land plants?

• To provide shade

• To act as a habitat

• To prevent soil erosion

• To avoid drying up and aid in photosynthesis

Which of the following is NOT a function of soil?

• Anchoring plants

• Absorbing water and minerals

• Providing light for photosynthesis

• Serving as a habitat for animals

What is the primary role of producers in an ecosystem?

• To decompose dead matter

• To consume other organisms

• To provide shelter for animals

• To produce food using sunlight

Which of the following is an example of a carnivore?

• Elephant

• Crow

• Tiger

• Cow

What is the role of decomposers in an ecosystem?

• To provide oxygen

• To break down dead organisms and recycle nutrients

• To consume plants

• To produce food