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Diatom Definition A diatom is a unicellular eukaryotic alga characterized by having a siliceous covering and a symmetrical... Read More

A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... Read More

The floral diversity on this planet is huge. And if you peep into the sub-category of angiosperms among this floral... Read More

Dithecous (Science: botany) Having two thecae, cells, or compartments. Origin: Pref. Di- -... Read More

Definition noun, plural: gonadotropins A polypeptide hormone secreted by the anterior pituitary and the placenta, and acts... Read More

Definition noun, plural: estrogens A sex steroid hormone produced in large quantities chiefly in the ovaries in females;... Read More

Terminology and Concepts Primary reproductive organs are called gonads - testes in the male and ovaries in the female.... Read More

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