Energy & Ecosystems (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the two main sources of energy loss that farmers target to increase efficiency?
What are the two main sources of energy loss that farmers target to increase efficiency?
Energy to pests & energy through respiration
What is the main role of decomposers in agricultural ecosystems?
What is the main role of decomposers in agricultural ecosystems?
Breaking down dead matter & recycling nutrients
Which sequence correctly shows energy flow through trophic levels?
Which sequence correctly shows energy flow through trophic levels?
Producers → herbivores → carnivores
How do insecticides increase net primary production in crops?
How do insecticides increase net primary production in crops?
Reduce pest consumption, allowing larger growth
What is the primary function of herbicides in farming?
What is the primary function of herbicides in farming?
Eliminate competing plants for resources
Which organism produces toxins that specifically target caterpillar pests?
Which organism produces toxins that specifically target caterpillar pests?
Bacillus thuringiensis
What is integrated pest management?
What is integrated pest management?
Combining chemical & biological control methods
Why do farmers restrict livestock movement?
Why do farmers restrict livestock movement?
To prevent energy waste on locomotion
How does temperature control benefit livestock farming?
How does temperature control benefit livestock farming?
Reduces energy spent on thermoregulation
What is a concern about intensive livestock environmental control?
What is a concern about intensive livestock environmental control?
Causes distress & prevents natural behaviour