Characteristics of Ecosystems (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two components make up an ecosystem?
What two components make up an ecosystem?
Community & non-living environment
What is a community?
What is a community?
All organisms from all populations in area
Which type of competition is more intense?
Which type of competition is more intense?
Intraspecific competition
In lichens, what do algae receive from fungi?
In lichens, what do algae receive from fungi?
Protection from the environment
Which are edaphic factors?
Which are edaphic factors?
Soil pH, texture, and moisture content
Which organisms are photoautotrophic?
Which organisms are photoautotrophic?
Plants, algae, photosynthetic bacteria
What happens to energy in ecosystems?
What happens to energy in ecosystems?
Lost as infrared radiation, not recycled
How is net primary productivity calculated?
How is net primary productivity calculated?
Gross primary productivity - Respiration
What is typical energy transfer from plants to primary consumers?
What is typical energy transfer from plants to primary consumers?
Approximately 10%
What does the 'O' represent in the ACFOR abundance scale?
What does the 'O' represent in the ACFOR abundance scale?
Occasional