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 ▸What are the differences between globular and fibrous proteins?
Explain how the heart muscle and the heart valves maintain a one-way flow of blood from the left atrium to the aorta
What's the difference between allopatric and sympatric speciation? What are some evolutionary implications of this?
What hormones are involved in a pregnancy test and how does it work ? (6 marks)