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Through a variety of "hands-on" activities, students will learn how organisms use their special structures for a survival advantage in a particular environment.
Wool samples are available from Utah Agriculture in the Classroom, 2315 Old Main Hill, Logan, UT, 84322-2315. Phone (435) 797-1657.
Variations are differences in appearance of an inherited trait among members of a species. These variations give a species (a group of plants or animals that can only reproduce among themselves) a better chance to live, or a survival advantage. Other variations may include specialized structures or body parts.
Outer coverings of animals have many functions that help each species survive in its particular environment. The following are some functions of outer skin coverings:
1-Use science process and thinking skills.
2-Manifest scientific attitudes and interests.
3-Understand science concepts and principles.
4-Communicate effectively using science language and reasoning.
Invitation to Learn:
This lesson is part of the Fifth Grade Science Teacher Resource Book (TRB3) http://www.usoe.org/curr/science/core/5th/TRB5/. The TRB3 is designed to be your textbook in teaching science curriculum to your students. This book covers all the objectives of each standard and benchmark. If taught efficiently, a student should do well on the End-of-Level (CRT) tests. The TRB3 is designed for teachers who know very little about science, as well as for teachers who have a broad understanding of science.