The video tutorial explains the different levels of ecosystems, starting with individual organisms, such as a single wildebeest in an African grassland. It then describes how organisms of the same kind form populations, which interact and reproduce to sustain their species. The tutorial further explores how various populations, including acacia trees, termites, zebras, and lions, form a community. This community, along with non-living components like air, soil, and water, constitutes the ecosystem. The video emphasizes the interactions within the African grassland ecosystem and concludes with a reminder to subscribe.

What is the simplest level of an ecosystem?

• A community

• A population

• An individual organism

• A non-living component

In the African grassland, what is an example of an individual organism?

• A wildebeest

• A zebra

• A lion

• An acacia tree

What term is used to describe all organisms of the same kind within an ecosystem?

• Ecosystem

• Population

• Community

• Habitat

Which of the following is NOT a population found in the African grassland?

• Rocks

• Termites

• Zebras

• Acacia trees

What do all the populations in an ecosystem collectively form?

• A community

• A habitat

• A biome

• A niche

Which of the following is a component of the non-living environment in an ecosystem?

• Soil

• Zebras

• Gazelles

• Lions

What makes up the African grassland ecosystem?

• Only the plants

• Both living organisms and non-living components

• Only the animals

• Only the non-living components

Which of the following interactions is part of an ecosystem?

• Interactions between soil and plants

• Interactions between lions and zebras

• All of the above

• Interactions between air and water