These marine animals were fast-moving carnivores (meat eaters) that ate fish and other marine organisms.
(These marine animals; were; fast-moving carnivores (meat eaters) that ate fish and other marine organisms) (fast-moving carnivores; ate; fish and other marine organisms)
These marine animals fast-moving carnivores
were ate
fast-moving carnivores (meat eaters) that ate fish and other marine organisms
fish and other marine organisms