The document provides information about classifying different animal groups according to their physical characteristics. It describes the key characteristics of birds, fish, reptiles, mammals, and insects. Birds fly and have feathers, fish live in water and breathe through gills, reptiles are cold-blooded and lay eggs, mammals have hair, and insects have six legs and three body parts.

1. Grade 2 Lia Potts Animal Groups

2. Curriculum Standards and Objectives Science > Curriculum Standards > 2-2.2 - Classify animals including mammals, birds, amphibians, reptiles, fish, and insects) according to their physical characteristics. Grade(s) K-2 Objective > Ss will classify groups of animals according to their physical characteristics.

3. Table of Contents Amphibians Birds Fish Reptiles Mammals Insects Video

6. Characteristics of Birds Fly Have wings, feathers, and hollow bones Warm-blooded Vertebrates (possess a backbone)

8. Characteristics of Fish Vertebrates Live and breathe in water Most breathe through gills Have scales and fins

10. Characteristics of Reptiles Cold-blooded Vertebrates Have scales Lay hard-shell eggs

12. Characteristics of Mammals Humans! Have hair

14. Insects Have two pairs of wings Have three pairs of legs Have three main body parts: head, thorax, and abdomen Have an exoskeleton (a hard, shell-like covering on the outside of the body) Have antennae

16. A Quick Review

18. Sources Review. 100% Educational Videos. (2000). Retrieved October 22, 2009, from Discovery Education: http://streaming.discoveryeducation.com/ (n.d.). Sheppard software's kid's corner: Animals. Retrieved from http://www.sheppardsoftware.com/content/animals/kidscorner/classification/kc_classification_main.htm (2004, May 3). What is an insect?. Retrieved from http://www.reachoutmichigan.org/funexperiments/agesubject/lessons/insect.html