silasjob09
06.12.2021 •
Biology
A cell needs to transport a certain ion across its cell membrane. In which of these situations can you conclude that energy must be used? A. The ion is moving from high to low concentration. B. The ion is moving from low to high concentration. C. The ion is moving from the inside to the outside of the cell. D. The ion is moving from the outside to the inside of the cell.
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Ответ:
In 1973,
The maximum length for the beak of birds was obserbed to be less than 12mm in length
While, at 1978, it was observed that some birds had beak length at 12mm.
From 1973 to 1978, it can be observed that short beaks bird was more in population than 1978.