Forty.
in a watermelon...
Watermelon plants are easily grown from seed.
Watermelon
Watermelons vary in size, girth and species. The only way to get the exact number of seeds in your type of watermelon is to take all the seed out of it and hand count them.
They grow from seed, to seedling, to adult in the same manner.
Through human and other animals who eat watermelon fruits
a watermelon
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They grow from seed, to seedling, to adult in the same manner.
Variable, but it ranges from 100 to 300 seeds on average.
A watermelon seed.
seven days