Elements of an Ecosystem (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is carrying capacity in an ecosystem?
What is carrying capacity in an ecosystem?
Max population with available resources
What happens when a population exceeds the carrying capacity?
What happens when a population exceeds the carrying capacity?
Resources become scarce and competition rises
Which of these is an abiotic limiting factor?
Which of these is an abiotic limiting factor?
Oxygen levels
How does energy move through an ecosystem?
How does energy move through an ecosystem?
In one direction only
What percentage of energy passes from one trophic level to the next?
What percentage of energy passes from one trophic level to the next?
About 10%
How is matter different from energy in ecosystems?
How is matter different from energy in ecosystems?
Matter is recycled; energy is not
What percentage of available sunlight do producers capture?
What percentage of available sunlight do producers capture?
1-3%
What are primary consumers also called?
What are primary consumers also called?
Herbivores
Which organism is a secondary consumer?
Which organism is a secondary consumer?
Fox hunting rabbits
What is another name for tertiary consumers?
What is another name for tertiary consumers?
Top predators
What defines an omnivore?
What defines an omnivore?
Eats both plants and animals
Which organisms break down dead tissue and recycle nutrients?
Which organisms break down dead tissue and recycle nutrients?
Bacteria and fungi