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kathysanchezz26
12.03.2021 •
Biology
I NEED HELP ASAP! Which of the following is true of variation?
Select one:
a.
It is necessary for natural selection.
b.
It exists in almost all populations.
c.
It is caused by mutations and sexual reproduction.
d.
All of the choices are correct.
Solved
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Ответ:
all of them are correct
Ответ:
Ответ:
Seed germination depends on both internal and external conditions. The most important external factors include right temperature, water, oxygen or air and sometimes light or darkness. Various plants require different variables for successful seed germination