Exchange Between Organisms & their Environment (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
Where do all exchange processes occur in living organisms?
Where do all exchange processes occur in living organisms?
At specialised surfaces
What is the role of tissue fluid in multicellular organisms?
What is the role of tissue fluid in multicellular organisms?
Acts as intermediary between surfaces & cells
What is the function of a mass transport system?
What is the function of a mass transport system?
Maintains concentration gradients
Which two factors determine an organism's exchange requirements?
Which two factors determine an organism's exchange requirements?
Organism size and metabolic rate
Why do organisms exchange oxygen with their environment?
Why do organisms exchange oxygen with their environment?
For cellular respiration
What is the specific function of amino acids obtained through exchange?
What is the specific function of amino acids obtained through exchange?
Protein construction
Which excretory product must be removed to prevent cellular damage?
Which excretory product must be removed to prevent cellular damage?
Urea
What characteristic defines passive transport?
What characteristic defines passive transport?
Requires no metabolic energy
What does active transport typically require as an energy source?
What does active transport typically require as an energy source?
ATP
How does organism size affect transport system complexity?
How does organism size affect transport system complexity?
Greater distance needs more complex systems
