Ecosystem Components and Energy Flow

The video introduces social studies with a focus on ecosystems, explaining that ecosystems consist of living (biotic) and non-living (abiotic) components. It provides examples of forest and city ecosystems, highlighting the interaction between these components. The video also emphasizes the sun's crucial role in supporting life by providing energy, which facilitates the flow of energy through food chains. The importance of the sun in maintaining life on Earth is underscored, noting that without it, life would not exist.

What are some examples of non-living elements you might find in a zoo ecosystem?

• Humans and fishes

• Monkeys and trees

• Pond and sunlight

• Animals and plants

Which of the following best describes an ecosystem?

• A place with only living things

• A place with only plants

• A place with only non-living things

• A place with both living and non-living things

In a city ecosystem, what do humans and animals commonly use?

• Only plants

• Only water

• Water, plants, and stones

• Only sunlight

What are biotic factors in an ecosystem?

• Only animals

• Only plants

• Living parts like plants and animals

• Non-living parts like soil and water

Which of the following is an abiotic factor?

• Fishes

• Temperature

• Plants

• Animals

What is the primary source of energy for life on Earth?

• Water

• The Sun

• Soil

• Plants

How do plants primarily obtain their energy?

• From animals

• From sunlight

• From soil

• From water

What would happen to Earth without the Sun?

• There would be more plants

• There would be no life

• There would be more water

• There would be more animals

Which of the following is a flow of energy in an ecosystem?

• Sunlight to plants to animals

• Water to soil to plants

• Animals to plants to sunlight

• Soil to water to animals

Which planet is known to contain life?

• Jupiter

• Earth

• Venus

• Mars