Animal Kingdom Crossword

QUESTIONS LIST: mulitcellular: made up of more than one cell, reptiles: ectothermic vertebrates that live in or near water and have scales, echinoderms: invertebrates that have an exoskeleton and tube feet, exoskeleton: skeleton is external, ectothermic: body temperature that is close to that of their environment, amphibians: ectothermic vertebrates that a can breathe their skin when they are in the water, endoskeleton: skeleton is inside their bodies, invertebrates: animal's with no backbone, sponges: invertebrates that live attached to a surface and has small holes in their bodies to filter water, birds: endothermic vertebrates that have a beak, two legs, and two wings, vertebrate: animal with a backbone, endothermic: body temperature says about the same regardless of the temperature of their environment, arthropods: the largest group of invertebrates that have an exoskelton, mammals: endothermic vertebrates that have fur or hair and produce milk for their offspring, fish: vertebrates that live in the water and filter oxygen from the water through their gills