Answer:
Protein benefit animals because they need this to form new skin cells. They also use protein to grow hair, build muscle tissue etc. Protein also helps the animals to create chemicals like hormones and enzymes that are needed for their normal function.
Explanation:
They have more resistances against possible life ending threats so they are able to reproduce safely to increase food supply.
Answer:
The <em>erector</em><em> </em><em>spinae</em><em> </em>is NOT a muscle of respiration
<span>The bone and soft tissues that surround and support the teeth are known as the periodontium.
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