de va dap an HSG Tinh Vinh Phuc

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 Thời gian làm bài: 150 phút, không kể thời gian giao đề
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Cán bộ coi thi không giải thích gì thêm!
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)Cm00CC&5&!S•0&+qqqqqqqq
* Ý nghĩa thực tiễn của giao phối gần:
aeQ9E,$<"#$%+9,+ 'qqqqqqqqqq
a%+GH&S;+0 55)2dG&5
\ 2+%$)DH2qqqqqqqqqqqqqqqqqqqqq
M&TL
M&TL
M&TL
M&TL
=
* Khái niệm lai kinh tế: e+Y(ES*9A"GH
)5$:{+>
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,0C•&)*{',9qqq
€6<VQ)=3K{+5"9$+3K
++9EK+ +0C"9HS"qqqqqqq
M&TL
M&TL
w
t?&M v
a

- Khái niệm hệ sinh thái:605,?9+,@&3Z 9X
!+:H70ESE,*$3409QH7t0Cvqq
- Cần phải bảo vệ hệ sinh thái rừng vì:605$d'E$G$f
$+E WG)#S&YO-05Q$5l\qqqqqq
M&TL
M&TL
b
- Điểm khác biệt cơ bản ở lưới thức ăn so với chuỗi thức ăn:k3KVm
:5Vm'W1#qqqqqqqqqqqq
- Thành phần chủ yếu một lưới thức ăn hoàn chỉnh8ES0C\&0
ES.I&0ESOCqqqqqqqqqqqqqqqqqqq
M&TL
M&TL
z
t?&M v
a
Khác nhau giữa tài nguyên tái sinh và tài nguyên không tái sinh:
a,.)*50,%,.0"40UI0]!
%)qqqqqqqqqqqqqqqqqqqqqqqqqq
a,.50,%,.)0UI;#0]' W)5
$2I:qqqqqqqqqqqqqqqqqqqqqqq
M&TL
M&TL
b
- Nguồn ô nhiễm phóng xạe\CQ*$34)5\'%&
,5 .U&UE•)#%Oqqqqqqqqqqqqqq
- Phải ngăn chặn ô nhiễm phóng xạ vìe\'%')CmO "
=34E,0ES&O$"09$W&3qqqq
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M&TL

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