What is an Ecosystem?

The video explains ecosystems as communities of organisms interacting with their environment. It covers the concept of biomes, biodiversity, and the interdependence of biotic and abiotic factors. The video also discusses how organisms occupy niches and interact within ecosystems, highlighting the importance of sustainability and balance.

What is a biome?

• A large ecosystem characterized by specific vegetation and climate

• A non-living component of an ecosystem

• A type of animal found in ecosystems

• A small pond ecosystem

Which of the following is an abiotic factor in an ecosystem?

• Plants

• Animals

• Soil

• Decomposers

How do decomposers contribute to an ecosystem?

• By capturing sunlight

• By competing for resources

• By feeding on plants

• By recycling nutrients back into the soil

In a kelp ecosystem, what is the role of the half moonfish?

• Competing with rockfish for resources

• Grazing on kelp

• Feeding on parasites on sunfish

• Recycling nutrients

What ensures the sustainability of a stable ecosystem?

• Overpopulation of a single species

• Unfilled niches

• Balanced coexistence of organisms and their environment

• Lack of abiotic factors