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Biology for Dummies by Donna Rae Siegfried, René Fester Kratz PDF

By Donna Rae Siegfried, René Fester Kratz

ISBN-10: 0470598751

ISBN-13: 9780470598757

An up to date variation of the final word consultant to realizing biology

Ever puzzled how the nutrition you devour turns into the power your physique must preserve going? the speculation of evolution says that people and chimps descended from a standard ancestor, yet does it let us know how and why? We people are insatiably curious creatures who can't support thinking about how issues paintings — beginning with our personal our bodies. Wouldn't or not it's nice to have a unmarried resource of fast solutions to all our questions on how residing issues paintings? Now there is.

From molecules to animals, cells to ecosystems, Biology For Dummies, second version solutions your whole questions on how dwelling issues work.

Written in undeniable English and filled with dozens of illustrations, quick-reference
Cheat Sheets, and invaluable tables and diagrams, it cuts correct to the chase with fast moving, easy-to-absorb causes of the existence tactics universal to all organisms.
greater than 20% new and up to date content material, together with a considerable overhaul to the association of themes to make it a pleasant lecture room supplement
assurance of the latest advancements and discoveries in evolutionary, reproductive, and ecological biology
comprises functional, up to date examples

Whether you're presently enrolled in a biology type or simply need to know extra approximately this attention-grabbing and ever-evolving box of research, this attractive consultant provide you with a grip on complicated biology ideas and unencumber the mysteries of ways lifestyles works in no time.

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Extra info for Biology for Dummies

Sample text

Isn’t 17p 11p Ionic bond Sodium chloride compounds C. Two atoms of oxygen joining to form oxygen gas. Figure 3-1: The Bohr model of an atom’s structure. 8p 8p Oxygen Oxygen 8p 8p Covalent bondshare electrons Molecules of oxygen gas (O2) formed by covalent bond. Atoms share electrons to make each more stable. 98 Polonium (210) Astatine (210) Radon (222) 87 Figure 3-2: The periodic table of elements. 97 102 103 No Lr 95 96 97 Th Pa U Np Pu Am Cm Bk Thorium (232) Protactinium (231) Uranium (238) Neptunium (237) Plutonium (242) Americium (243) Curium (247) Berkelium (247) 98 99 Cf Es Californium Einsteinium (251) (254) 100 101 Fm Md Fermium (257) Mendelevium (258) Nobelium Lawrencium (259) (260) Notice in Figure 3-2 how each element has a number associated with it?

Much like Sherlock Holmes, scientists piece together clues to try and come up with the most likely hypothesis (explanation) for a set of observations. This hypothesis represents scientists’ thinking about possible answers to their questions. Say, for example, a marine biologist is exploring some rocks along a beach and finds a new worm-shaped creature he has never seen before. His hypothesis is therefore that the creature is some kind of worm. One important point about a scientific hypothesis is that it must be testable, or falsifiable.

Organisms such as plants capture light energy from the Sun and use it to build food molecules that contain chemical energy. Then the plants, and other organisms that eat the plants, transfer the chemical energy from the food into cellular processes. As cellular processes occur, they transfer energy back to the environment as heat. ) ✓ Living things grow and develop. You started life as a single cell. That cell divided to form new cells, which divided again. Now your body is made of approximately 100 trillion cells.

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Biology for Dummies by Donna Rae Siegfried, René Fester Kratz


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