Did birds evolve from the gliding reptiles called pterosaurs explain your reasoning

No. Birds are direct ancestors of dinosaurs, having simular trates such as wish bones, hollow bones, and feathers. All pterosaurs went extinct in the k.t. mass extinction. Not to mention pterosaurs flew with the skin connecting their wings to their body, as birds flew with primary flight feathers.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

answer///systemic;