Ecosystem Components and Functions

The video introduces biomes, distinguishing between terrestrial and aquatic types. It explains the biotic factors in terrestrial biomes, including producers, consumers, and decomposers. Abiotic factors such as light, temperature, water, and soil are discussed, highlighting their roles in ecosystems. The video concludes with a summary of the components of ecosystems, emphasizing the interaction between living and non-living elements.

What is a general term for regions like deserts and tropical rainforests?

• Terrestrial biomes

• Polar regions

• Marine ecosystems

• Aquatic biomes

Which of the following is NOT an example of a terrestrial biome?

• Tropical rainforest

• Pond

• Savannah

• Desert

What are the two main components of a biome?

• Plants and animals

• Producers and consumers

• Biotic and abiotic

• Herbivores and carnivores

In a terrestrial biome, what role do green plants play?

• Secondary consumers

• Primary consumers

• Decomposers

• Producers

Which organisms are considered primary consumers in a terrestrial biome?

• Carnivores

• Herbivores

• Decomposers

• Producers

Which abiotic factor is essential for photosynthesis in plants?

• Water

• Temperature

• Light

• Soil

What percentage of body weight in living organisms is constituted by water?

• 60-90%

• 90-100%

• 30-50%

• 10-30%

What is the role of soil in an ecosystem?

• Supplies minerals and nutrients

• Provides light

• Regulates temperature

• Acts as a primary consumer

Which of the following is a biotic component of an ecosystem?

• Decomposers

• Water

• Soil

• Air

What category do maggots belong to in an ecosystem?

• Secondary consumers

• Producers

• Primary consumers

• Decomposers