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Your question: <span>Oogenesis ultimately produces ______ cell(s).
Your answer: </span>Oogenesis ultimately produces one cell.
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If a species is said to be extinct, then that species is reduced to zero. There are none living in existence. The affects to other organisms of its extinction would depend on their value to the ecosystem. Regardless, extinction completely stops evolution of the species extinct.
The heart pumps blood through the body to keep it going:)
Descend from several different kinds of unicellular protest's, which became multicellular through specialization and cooperation among cells within a colony.