Which of the following characteristics allowed early gnathostomes to become successful predators?
A) fins stiffened with bone that increased maneuverability and improved gas exchange through the skin
B) fins stiffened with bone that increased maneuverability and improved gas exchange in the gills
C) lobe fins that allowed temporary access to land and improved gas exchange through the skin
D) lobe fins that allowed temporary access to land and improved gas exchange in the gills

Question

Quizplus · Accepted Answer

Fins stiffened with bone increased maneuverability in water, allowing early gnathostomes to chase prey and evade predators more effectively. Additionally, these adaptations improved gas exchange in the gills, enhancing oxygen uptake for higher metabolic demands.

Which of the Following Characteristics Allowed Early Gnathostomes to Become