Understanding Biotic and Abiotic Factors

What does the term 'biotic' refer to in an ecosystem?

• Only animals

• Only plants

• Living or once-living components

• Nonliving components

Which of the following is NOT an example of a biotic component in a tropical rainforest?

• Rocks

• Birds

• Frogs

• Trees

In a water ecosystem, which of these is considered a biotic factor?

• Sand

• Sunlight

• Sea plants

• Water

How do biotic factors affect an ecosystem?

• They have no effect

• They only affect other living things

• They only affect nonliving things

• They interact with both living and nonliving components

What role do humans play in an ecosystem according to the video?

• Abiotic factors

• Biotic factors

• Only consumers

• Non-influential factors