Why do insects and other animals need developed transport systems?
They have a high metabolic rateAs a result, they have a high oxygen and glucose demandDiffusion is not efficient alone as it is too far
FB
Related Biology A Level answers
All answers ▸How is tissue fluid formed and returned to the circulatory system?
Describe how an action potential stimulates synaptic release of neurotransmitters. (5 marks)
In what ways have human activities contributed to global warming?
What are the electrical changes in an axon that occur during an Action Potential?