num_pages: 16
description: Describes the dinosaurs of various evolutionary epochs, discussing changes in physiology and size
language: English
title: Dinosaurs: The Ecosystems Xplorer
titlecomplete: Dinosaurs: The Ecosystems Xplorer (The Nature Company Eco-System Explorers , No 4)
genres: Animals, Science, Childrens
ratings_count: 20
series: A Child's First Library of Learning
publisher: Time Life Education