Ecosystem Interactions and Energy Flow

The video tutorial, led by Lukita Maka, covers agroecology as part of grade 10 agricultural sciences. It introduces the concept of ecology, focusing on the relationships between living organisms and their environment, and explains the levels of ecological organization from individual to biosphere. The tutorial describes various biomes, such as forests, tundras, and deserts, and discusses the abiotic and biotic components of ecosystems. It also covers energy flow and interactions within ecosystems, emphasizing the role of producers, consumers, and decomposers. The video concludes with an invitation for viewer feedback.

What is the study of the relationships between living things and their environment called?

• Geology

• Zoology

• Biology

• Ecology

Which level of ecological organization includes multiple populations interacting in an area?

• Individual

• Population

• Community

• Biosphere

Which biome is characterized by low temperatures and short growing seasons?

• Desert

• Savannah

• Forest

• Tundra

What are the non-living components of an ecosystem called?

• Organic

• Abiotic

• Inorganic

• Biotic

Which factor refers to the appearance of the land, including rivers and mountains?

• Edaphic

• Climatic

• Physiographic

• Biotic

What is the role of decomposers in an ecosystem?

• Break down dead matter

• Provide shelter

• Produce food

• Consume plants

Which type of consumer feeds on both plants and animals?

• Herbivore

• Carnivore

• Omnivore

• Decomposer

What is the main source of energy in an ecosystem?

• Soil

• Water

• Sun

• Wind

How is energy transferred from one organism to another in an ecosystem?

• Through photosynthesis

• Through respiration

• Through decomposition

• Through a food chain

What is the term for the interaction between living and non-living components in an ecosystem?

• Niche

• Symbiosis

• Habitat

• Ecosystem