The video tutorial introduces 5th-grade students to ecosystems, explaining the interaction of living and nonliving elements. It covers biotic and abiotic components, ecosystem diversity, populations, communities, competition, and niches. The tutorial also discusses the impact of human activities on ecosystems and the importance of diversity for ecosystem health.

What are the nonliving elements in an ecosystem called?

• Organisms

• Abiotic parts

• Biotic parts

• Living elements

Which of the following is an example of a small ecosystem?

• An ocean

• A mud puddle

• A desert

• A large forest

What term describes a group of the same species living in an ecosystem?

• Community

• Population

• Habitat

• Niche

What is the term for the interaction between populations to meet their needs?

• Predation

• Competition

• Symbiosis

• Cooperation

What is the difference between a habitat and a niche?

• A niche includes only living elements, while a habitat includes nonliving elements.

• A habitat includes only living elements, while a niche includes nonliving elements.

• A niche is where an organism lives, while a habitat is its role in the ecosystem.

• A habitat is where an organism lives, while a niche is its role in the ecosystem.

Which animal is an example of having a narrow niche due to its specific diet?

• Lion

• Elephant

• Eagle

• Panda

What does the term 'diverse ecosystem' mean?

• An ecosystem with a few species

• An ecosystem with many different species

• An ecosystem with only nonliving elements

• An ecosystem with only living elements

Why are ecosystems near the equator more diverse?

• They have more sunlight

• They have a stable climate

• All of the above

• They have more rainfall

How can human activities impact ecosystem diversity?

• By creating new ecosystems

• By making ecosystems more stable

• By reducing the number of species

• By increasing the number of species

Which of the following is a less diverse ecosystem?

• Savannah

• Arctic

• Coral reef

• Rainforest