Problem
Answer these questions as short answer/essay-type questions. Use complete sentences and paragraphs (if necessary) in your answers.
i. Compare and contrast how ventilation and gas exchange works in gills vs lungs. Are these systems homologies, or analogies?
ii. Explain the importance of the concept of surface area to volume ratios for animals in terms of their body and organ structures. Illustrate your answer with examples relating to gas exchange, osmoregulation, and heat exchange.