The Biosphere: What Is an Ecosystem?

The video explains the concept of wetlands, specifically marshes, which are areas with standing water and non-woody plants. It describes the diverse wildlife found in marshes, including birds, fish, amphibians, and mammals. The video further defines an ecosystem as a community of living things interacting with each other and their environment, highlighting that most places on Earth can be considered ecosystems. It concludes by discussing the characteristics and boundaries of ecosystems.

What is a marsh primarily composed of?

• Rock formations

• Non-woody plants

• Woody plants

• Desert sand

Which of the following animals is commonly found in a marsh?

• Polar bear

• Salamander

• Camel

• Penguin

What term describes a community of living things interacting with each other and their environment?

• Biome

• Habitat

• Biosphere

• Ecosystem

Which of the following is NOT a characteristic of an ecosystem?

• Diverse living organisms

• Interactions between living things

• Uniform boundaries

• Presence of nonliving components

What is the role of nonliving things in an ecosystem?

• They provide food for animals

• They are not part of an ecosystem

• They only exist in deserts

• They interact with living organisms