Food Chain, Food Web and Pyramid of Numbers (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 a food chain?
What is a food chain?
A sequence where each organism eats next
What is a trophic level?
What is a trophic level?
A feeding stage in a food chain
What percentage of energy is lost at each feeding level in a food chain?
What percentage of energy is lost at each feeding level in a food chain?
What percentage of energy is passed to the next trophic level?
What percentage of energy is passed to the next trophic level?
Why are food chains usually short?
Why are food chains usually short?
Energy decreases at each trophic level
What is a food web?
What is a food web?
A series of interconnected food chains
How many organisms should be included in an exam food web?
How many organisms should be included in an exam food web?
At least 9 organisms
What is a pyramid of numbers?
What is a pyramid of numbers?
Shows organism numbers per trophic level
What usually happens to organism size as you move up a pyramid of numbers?
What usually happens to organism size as you move up a pyramid of numbers?
Size of organisms usually increases
What is a limitation of the pyramid of numbers?
What is a limitation of the pyramid of numbers?
Individual organism size not accounted for
What is a niche?
What is a niche?
Functional role of organism in ecosystem
Can two organisms occupy the same niche without competing?
Can two organisms occupy the same niche without competing?
No, they cannot