Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

By the end of this section, you will be able to:Explain how electromagnetic waves differs from sound wavesTrace the path of light through the eye to the point of the optic nerveExplain tonic activity as it is manifested in photoreceptors in the retina

By the end of this section, you will be able to:Discuss the type of seeds produced by gymnosperms, as well as other characteristics of gymnospermsState which period saw the first appearance of gymnosperms and explain when they were the dominant plant lifeList the four groups of modern-day gymnosperms and provide examples of each

Psychology is designed to meet scope and sequence requirements for the single-semester introduction to psychology course. The book offers a comprehensive treatment of core concepts, grounded in both classic studies and current and emerging research. The text also includes coverage of the DSM-5 in examinations of psychological disorders. Psychology incorporates discussions that reflect the diversity within the discipline, as well as the diversity of cultures and communities across the globe.Senior Contributing AuthorsRose M. Spielman, Formerly of Quinnipiac UniversityContributing AuthorsKathryn Dumper, Bainbridge State CollegeWilliam Jenkins, Mercer UniversityArlene Lacombe, Saint Joseph's UniversityMarilyn Lovett, Livingstone CollegeMarion Perlmutter, University of Michigan

By the end of this section, you will be able to:Describe the basic anatomy of the visual systemDiscuss how rods and cones contribute to different aspects of visionDescribe how monocular and binocular cues are used in the perception of depth

Every day we perceive many visual impressions. We can differentiate a multitude of colors in a bunch of flowers, and we can respond in a matter of seconds when driving a car. But what do we actually know about visual perception? Learn the basics in this simple show! Duration: 3:03.