Trophic Levels in an Ecosystem (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do trophic levels show in an ecosystem?
What do trophic levels show in an ecosystem?
Different feeding positions
Which organisms are found at trophic level 1?
Which organisms are found at trophic level 1?
Producers like plants and algae
What type of organisms are primary consumers?
What type of organisms are primary consumers?
Herbivores that eat plants
What are secondary consumers?
What are secondary consumers?
Carnivores that eat herbivores
What are tertiary consumers?
What are tertiary consumers?
Carnivores that eat carnivores
Why do scientists measure dry mass instead of total mass?
Why do scientists measure dry mass instead of total mass?
More accurate representation
Why do pyramids of biomass get smaller at each level?
Why do pyramids of biomass get smaller at each level?
Energy lost via respiration & waste
What percentage of light energy from the sun is turned into food by plants?
What percentage of light energy from the sun is turned into food by plants?
About 1%
What percentage of biomass passes from one trophic level to the next?
What percentage of biomass passes from one trophic level to the next?
About 10%
What is the formula for calculating efficiency of energy transfer?
What is the formula for calculating efficiency of energy transfer?
If of rabbits becomes of fox, what is the efficiency?
If of rabbits becomes of fox, what is the efficiency?
For the same total biomass, which is true about organism numbers?
For the same total biomass, which is true about organism numbers?
More small organisms than large ones