Tiktaalik is a transitional fossil which shows how fish evolved into amphibians and reptiles. So the correct option is B.
What is Tiktaalik?
Tiktaalik is a direct ancestor of tetrapods or four-legged animals. It is an extinct fish-like animal and it lived on earth 380-385 million years ago (Devonian period).
The word Tiktaalik is derived from the <em>Inuktitut</em> language which loosely translates to large freshwater fish. This animal had characteristics of both fish and tetrapod and is therefore called the link between these two kinds of animals.
The characters resembling fish are gills and scales and the characters resembling tetrapods are rib bones, movable neck and lungs. There are characters that are a mix of both tetrapods and fish. These are bones and joints in limbs but fish-like fins instead of feet or hands.
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Dendrochronologist
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The answer would be: D) reduce blood pressure and blood volume by inhibiting sodium and water retention
<span>The natriuretic peptide is a hormone that will cause natriuresis, the excretion of sodium/natrium in the urine. The secretion of sodium will increase the urine output and decrease water content of the blood. this will result in reduced blood volume and reduced blood pressure.</span>
