What could a dog living now and a cat living thousands of years ago have in common?
O A. They have some of the same matter.
O B. They have the exact same DNA.
O C. They have the same bone structure.
O D. They have the same amount of energy.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

the answer is a) cell division.

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