Download Biology of Humans: Concepts, Applications, and Issues, by Judith Goodenough PDF

By Judith Goodenough

With a brand new open, student-friendly structure and extra media integration, the Fourth variation of Biology of people: suggestions, purposes, and concerns maintains to customize the examine of human biology. Its conversational writing type, wonderful artwork, considerable purposes, and studying instruments increase your critical-thinking abilities. The authors supply a conceptual framework that will help you know how bodies paintings, and to house concerns correct to human healthiness in today’s international. You’ll achieve an appreciation for the intricacy of the human physique and where of people within the ecosphere.

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Extra info for Biology of Humans: Concepts, Applications, and Issues, Fourth Edition

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A), which is the source of two anticancer drugs, humans have destroyed 90% of the vegetation. Experts estimate that roughly nine-tenths of the original tropical rain forests of the world will have been destroyed by 2030. Considering that 155,000 of the known 250,000 plant species are from tropical rain forests, and that less than 2% of the No single definition applies to all forms of life, so we find that instead of defining life, we can only characterize it. That is, we can only list the traits associated with life.

The negatively charged electrons stay near the nucleus because they are attracted to the positively charged protons in it. Most atoms have the same number of positively charged protons and negatively charged electrons. As a result, they are “neutral,” having no net charge. 1 summarizes the basic characteristics of protons, neutrons, and electrons. Elements An element is a pure form of matter containing only one kind of atom. You are probably familiar with many elements, such as gold, silver, iron, and oxygen.

The maintenance of physical and chemical conditions inside the body within tolerable ranges is called . 12. A(n) is a testable explanation for an observation. 13. A trait that increases the chance that an organism will survive and reproduce in its natural environment is described as being . Becoming Information Literate 13 Applying the Concepts 1. Interpret the following graph to answer the questions. 100 90 80 Percentage 70 60 50 40 30 20 10 0 7 8 9 10 11 12 13 14 Age Do you have access to a mobile phone?

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