HUMAN BIOLOGY

hUMaN iMpaCts oN the Biosphere 475 ecological footprint The total resources a population consumes and the wastes it produces. no ...

476 Chapter 25 acid rain Rain or snow that contains large amounts of acid, usually sulfuric and nitric acids from industrial emi ...

hUMaN iMpaCts oN the Biosphere 477 What are impacts of air pollution? Air pollution can have local, regional, and global impact ...

478 Chapter 25 The troughs and peaks in Figure 25.10 (facing page) are annual lows and highs of global carbon dioxide concentra­ ...

hUman ImpaCtS on the BIoSphere 479 how does global warming affect the earth? Global warming is the long-term rise in Earth’s su ...

480 Chapter 25 other city in the world. Since then, dwindling supplies have forced the city to launch a program of water conserv ...

hUMaN iMpaCts oN the Biosphere 481 hoW do human activities affect Water supplies and solid Wastes? Human water supplies are thr ...

482 Chapter 25 deforestation The removal of trees from large tracts of land. desertification The conver‑ sion of agricultural la ...

hUMaN iMpaCts oN the Biosphere 483 What are some major land-use issues? Energy- and water-intensive agricultural practices and ...

484 Chapter 25 in the ground, known oil and gas reserves may be used up in this cen tury. As the reserves run out in accessible ...

hUMaN iMpaCts oN the Biosphere 485 What does our energy future look like? Demand is increasing for safe, cost-effective, renewa ...

486 Chapter 25 endangered species A species native to an area that is vulnerable to extinction. sustainability An approach for m ...

hUMaN iMpaCts oN the Biosphere 487 hoW have human activities affected other species With Which We share the planet? Population ...

488 Chapter 25 expLore on your oWn conservation and the development of alternative, renewable energy sources will be crucial. Hu ...

hUMaN iMpaCts oN the Biosphere 489 Given the numerous urgent ecological issues raised in this chapter, it’s no wonder that many ...

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The nature and uses of energy Any time an object is not moving, it has a store of potential energy—a capacity to do work, simply ...

100 percent efficient. Therefore, the total amount of energy in the universe is spontaneously flowing from forms rich in energy ...

glucose → glucose-6-phosphate → 2 pyruvate The first steps of glycolysis require energy. As diagrammed in Figure A.5 on page A-4 ...

Figure A.5 Glycolysis, first stage of the main energy-releasing pathways. The reaction steps proceed inside the cytoplasm of eve ...