Page 111 - الأحياء كتاب الطالب للصف 9 الفصل 1

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d ± `gC8 ± E = d ÖRL=5 ¤Stimulus “aú Ø; Ù : ±’ Rú @: ±

“¢œ ¿’ ˜`gC8 ± ±Q ÑR4/
E9 9 ` E Kb8Ù ³PK74Ù ´±»P= b R ¤Starch C/; ±

˜E= C ; ± C ± d C/; ± P b ¥¼b b9 ± ´C SÙ `
R P7 Ò R8 “žž ¿’

Ú
ϱP ± Ìb7 _< ; ` Z=: c ¯ ^ S ± R8/ C ÐÒR C; ±Ò Ðb6 @: ± a b dg±Q ÏC3 ¤Balanced diet м±b Ù : ± dg±Q5 ± ÏC3; ±
_ P< ^8 _ R P7 ` ²±R ˆ± c _< » ` _ R C Ò ˜_<4 ±R Ò­ _ »¹C0 –´±»P= b R8 ± ¤E= C ± E=g±Q5 ± ¹±b: ± c9 Ôb
C R0 Ò C R º ^= a ­ „¯ –^:4 ± ±Q ¼C ˆ a ±P ± _ »P0 ^ R ºÒ –a Q –йC4: ±Ò –«C: ±Ò –´C;= C =6 ±Ò –Ðb P ±Ò –´C;= ÒR ±Ò

E ¹C7 ± O ; ± d ÑR º _ R a A Z R Ò­ »P0 ÔM _< C6 ¯ ÎC d Ò ˜CÕ4=: “ › ¿’ ˜E = j D Ò ´C=Û:8 –ËC= M±Ò
˜²C 8 ± ±Q ` d E;K=4Ù E=g±Q ³¹C V7 ¤'H¿FLHQF\ E Q5 ± V7

“ ž ¿’ ˜dg±Q ÏC3
John Durham/SPL; Delphotos/Alamy; Ed Reschke/GI; Eleanor Jones; Biophoto d ± `gC8 ± _ d ³¹C S ± »±R: ± b :Growth Û b:; ±
Associates/SPL; Ed Reschke/GI; Dr Keith Wheeler/SPL; Phototake Inc./Alamy;
˜C:<=9 Ò­ C<: Ò­ ÑC ¹P ³¹C ¼ E = EÛ C ± a 9 Ò
Geoff Jones; Johan Olsson/GI; Martyn F. Chillmaid/SPL; Andrew Lambert
“› ¿’
Photography/SPL; Top-Pics TBK/Alamy; Andrew Lambert Photography/SPL
(X2); Geoff Jones (X4); Alex Segre/Alamy; Images of Africa Photobank/Alamy; ˜E=9 ± d E= ±»b ± ´C b94: ± Z b ¤Nucleus ³±b; ±

Ed Reschke/GI; Christian Petersen/GI; Nurphoto/GI; Science Photo Library - “œ› ¿’
Ktsdesign/GI; Fotosearch/GI. «C: Û0 ± ¹P5 ± C ¼R6 EÛ=gC=:= ³Û¹C :Hormone Ðb R< ±
Key: GI= Getty Images, SPL= Science Photo Library. «C1 M± ` R ­ Ò­ b1 ÁC/ c9 Rú b ÏP ± C<9: Ò

“£œ ¿’ ˜E ØP< Ù: ±
À±R ­ ÎC8 ­ ` ^8 ¤Marasmus P P/ ± αS Ù < ±

´C;= ÒR ± ` ^ »¹C0 d V7 ` H ; E Q5 ± «b

˜dg±Q5 ± ÏC3; ± d “Ðb P ±Ò ´±»P= b R8 ±’ E C2 ±Ò
“ ¢ ¿’
³R= 8 ± ÏC42 ± ´C SÙ ]=86 ¤Digestion _1< ±

E9 C ³R=5j ´C SÙ c ¯ «C: ± d ÐC ÒQ9 E9 C7 ± R= Ò
˜E=gC=:= Ò E=8= C8= ´C=9: ϱP C «C: ± d ÐC ÒQ9

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