Truyen3h.Co

Xuanthang
qua trinh trao doi vat chat trong cac he st tu nhien dien ra ntn khac nhau giua vung on doi va nhiet

tu su hieu biet ve he st hay chung to tinh on dinh va ben vung cua cac he st tu nhien tai sao he ...

hieu the nao ve qua trinh sinh dia hoa trong tu nhien vd minh hoa

hay chung to tinh on dinh va ben vung cau cac he sinh thai TN tai sao hstnn lai kem ben vung hsttn

hieu the nao ve khong che sinh hoc va can bang sinh thai trong quan xa neu va phan tich nhung ud...

cac loai tai nguyen thien nhien cac nguyen tac chung trong khai thac hop ly cac nguon tai nguyen tn

su khac nhau giua qua trinh trao doi vat chat o vung sinh thai on doi va vung sinh thai nhiet doi

hieu the nao ve hieu ung nha kinh va su lien quan cua no den su bien doi khi hau toan cau con nguoi

hieu the nao ve dau tranh sinh hoc va phong tru sau benh tong hop tai sao phai thuc hien dieu do

hieunthe nao ve thanh phan va cau truc cua he sinh thai phan tich moi quan he giua cac thanh phan