Biology 2e is designed to cover the scope and sequence requirements of a …
Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Explain how vacuoles, present in microorganisms, work to excrete waste Describe the way in which flame cells and nephridia in worms perform excretory functions and maintain osmotic balance Explain how insects use Malpighian tubules to excrete wastes and maintain osmotic balance
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Explain how hormonal cues help the kidneys synchronize the osmotic needs of the body Describe how hormones like epinephrine, norepinephrine, renin-angiotensin, aldosterone, anti-diuretic hormone, and atrial natriuretic peptide help regulate waste elimination, maintain correct osmolarity, and perform other osmoregulatory functions
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Compare and contrast the way in which aquatic animals and terrestrial animals can eliminate toxic ammonia from their systems Compare the major byproduct of ammonia metabolism in vertebrate animals to that of birds, insects, and reptiles
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Define osmosis and explain its role within molecules Explain why osmoregulation and osmotic balance are important body functions Describe active transport mechanisms Explain osmolarity and the way in which it is measured Describe osmoregulators or osmoconformers and how these tools allow animals to adapt to different environments
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Explain how the kidneys serve as the main osmoregulatory organs in mammalian systems Describe the structure of the kidneys and the functions of the parts of the kidney Describe how the nephron is the functional unit of the kidney and explain how it actively filters blood and generates urine Detail the three steps in the formation of urine: glomerular filtration, tubular reabsorption, and tubular secretion
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