It must be durable and available
Answer: [C]: "five-part radial symmetry" .
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The answer would be Haemoglobin.
The Haemoglobin is a red pigment found in RBCs of vertebrates that helps to transport oxygen to various tissues.
Vertebrate blood is bright red when it is oxygenated and dark red when it is deoxygenated. Some animals such as crustaceans or mollusks, use haemoglobin to carry oxygen instead of hemoglobin.
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Answer:
reduce blood pressure and blood volume by inhibiting sodium and water retention
Answer:
D. Crossing<em> over occurs after replication and only sister chromatids exchange gene segments to make new combinations of genes.</em>