Biology, 31.07.2019 23:30 ccompassimvu
As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. for example, in peru, the indians once grew 500 native varieties of potatoes. that number has been reduced to about twenty major potato varieties, worldwide. why is it potentially dangerous to reduce the number of crop species in potatoes?
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Biology, 21.06.2019 18:40
Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.
Answers: 2
Biology, 22.06.2019 07:50
Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
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Biology, 22.06.2019 20:10
True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.
Answers: 1
As scientists have developed more productive crop varieties, farmers have switched from growing many...
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