Page 144 - الأحياء كتاب الطالب للصف 11 الفصل 2

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Images in order of appearance:

SPL/Getty Images; David Mccarthy/SPL; Don W. Fawcett/SPL; J.C. Revy, ISM/SPL;
Don W. Fawcett/SPL; Moment/Getty Images; Dea/Random/Getty Images; © Copyright
CSIRO Australia, from article ‹Gilding the gumtree - scientists strike gold in leaves›,

October 2013; Dr Keith Wheeler/SPL; Biophoto Associates/SPL; Power and Syred/SPL;
Sinclair Stammers/SPL; Power and Syred/SPL (x2); Geoff Jones; Unknown source;
Dr Keith Wheeler/Getty Images; Biophoto Associates/SPL (x2); Dr Jeremy Burgess/
SPL; Dr Keith Wheeler/SPL; Biophoto Associates/SPL; Bill Brooks/Alamy Stock Photo;

Spanteldotru/Getty Images; Dpa picture alliance/Alamy Stock Photo; CNRI/SPL; Steve
Gschmeissner/SPL; Ed Reschke/Getty Images; Dennis Kunkel Microscopy/SPL;
Steve Allen/SPL; Steve Gschmeissner/SPL/Getty Images; Steve Gschmeissner/SPL;
SPL/Getty Images; CNRI/SPL; John Greim/Getty Images; RGB Ventures/SuperStock/

Alamy Stock Photo; BSIP/Getty Images; STEVE GSCHMEISSNER/ SPL; John Adds;
Biophoto Associates/SPL; Eddy Gray/SPL; JOSE CALVO/SPL; CNRI/SPL/Getty
Images; Microscape/SPL; Jose Calvo/SPL

SPL = SCIENCE PHOTO LIBRARY