Biology



Is Sex necessary for Reproduction

Parthenogenesis, or asexual reproduction, is the act of reproduction without using more than one source of genetic material. The natural world has many examples of parthenogenic species and relatively few that only reproduce sexually. The only known species that do…
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History of Tobacco

Tobacco is a native plant of North and South America that is in the same family as the potato and pepper. The plant grows from tiny seeds that are carefully tended until the leaves are large enough to harvest and…
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