Mammals are thought to have evolved from

A. dinosaurs.
B. marsupials.
C. archosaurs.
D. therapsids.
E. thecodonts.


Answer: D

Biology & Microbiology

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Some plants require water for reproduction. This is because

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Briefly explain the formation of bone in the human body

What will be an ideal response?

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Increased concentrations of carbon dioxide (CO2) (5% to 10%) and approximately 15% oxygen (O2) produce an environmental condition that best suits which type of organism?

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