Energy Flow (Grade 10 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of energy is passed from one trophic level to the next?
What percentage of energy is passed from one trophic level to the next?
About 10%
Which direction does energy flow through an ecosystem?
Which direction does energy flow through an ecosystem?
One direction only
What percentage of original plant energy do secondary consumers receive?
What percentage of original plant energy do secondary consumers receive?
About 1%
What is the main role of decomposers in an ecosystem?
What is the main role of decomposers in an ecosystem?
Release nutrients back into soil
Which way do arrows point in a food chain?
Which way do arrows point in a food chain?
From eaten to eater
Which type of food pyramid is always triangular in shape?
Which type of food pyramid is always triangular in shape?
Pyramid of energy
Why are food webs more stable than food chains?
Why are food webs more stable than food chains?
Organisms can switch to alternatives
What percentage of plant energy do tertiary consumers receive?
What percentage of plant energy do tertiary consumers receive?
About 0.1%
How does energy enter ecosystems?
How does energy enter ecosystems?
Producers capture solar energy
Which is NOT a way energy is lost at each trophic level?
Which is NOT a way energy is lost at each trophic level?
Photosynthesis