<span>Its just what their diet is made of, meat, mainly other fish. So if there is blood around, there is probably food around.
Same thing with your favorite food.
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Answer:
solid layer of the mantle below the lithosphere
Red cells take up 40%-50% of the total blood volume
Answer:
There is a higher oxygen content in the air of the lungs than that of oxygen-depleted blood and a lower carbon dioxide concentration. This gradient of concentration causes gas exchange during respiration.
Explanation:
Fixed action patterns are <span>behaviors that follow a fixed, unvarying pattern and are used in accordance to studying animals and their behaviors to both the environment and each other. </span>
