Ecosystem-Structure and Function

The video explains ecosystems, their components, and functions. It covers the interaction between living organisms and their environment, the classification of ecosystems, and the roles of biotic and abiotic components. Examples of simple and complex ecosystems are provided, along with a detailed look at a pond ecosystem. The video also discusses ecosystem functions, including regulatory, habitat, production, and information functions.

Who coined the term 'ecosystem'?

• Charles Darwin

• Roy Clapham

• Alfred Wallace

• Eugene Odum

What is an example of a simple ecosystem?

• Coral reef

• Ocean

• Rainforest

• Cornfield

Which of the following is a human-influenced ecosystem?

• Grassland

• Aquarium

• Forest

• Ocean

What are macronutrients?

• Elements needed in small quantities

• Elements needed in large quantities

• Proteins and carbohydrates

• Physical factors like sunlight

Which of the following is a biotic component of an ecosystem?

• Sunlight

• Soil

• Water

• Producers

What is a regulatory function of an ecosystem?

• Providing food and fiber

• Offering spiritual and aesthetic value

• Controlling soil erosion

• Supplying fresh water

In a pond ecosystem, what role do decomposers play?

• They produce energy from sunlight

• They consume autotrophs

• They release minerals back to autotrophs

• They provide habitat for fish