(Natural Science Ecology Double-Page Book Spread Infographic Generator) Horizontal two-page children's nature science textbook spread themed 'Cretaceous Period ecosystem (145-66 million years ago) — peak dinosaur diversity (T-Rex, Triceratops, Velociraptor, Spinosaurus), flowering plants emerge, mammals diversify, ends with the K-Pg asteroid impact'. Layout: Double-page horizontal layout with unified soft natural background; large decorative main title at top left; irregular rounded organic-shaped text boxes scattered across pages, each box paired with matching illustration: real photographic animal/landscape photos, hand-drawn schematic cross-section diagrams, geographic distribution map, small close-up detail cutouts, annotated structure sketches; segmented knowledge modules covering geography, species, living habits, seasonal cycles, ecological relationships, fun trivia; soft earth-tone natural color palette, gentle curved dividing borders, clear kid-friendly serif print font. Style: official nature educational picture book layout, mixed media of watercolor illustration + real nature photography, clean readable text layout, high resolution printable two-page textbook inner spread. Subject: two-page natural science textbook spread introducing 'Cretaceous Period ecosystem (145-66 million years ago) — peak dinosaur diversity (T-Rex, Triceratops, Velociraptor, Spinosaurus), flowering plants emerge, mammals diversify, ends with the K-Pg asteroid impact'.
