Answer:
1, to strengthen the bone
2, I would say it causes them to tense up (contract)
If the herring was eaten by something that either ate or was being eaten by the gulls, then they would be affected differently. If the gulls had less food because there food source had less food if the herring disappeared, then they would have a lower or population of perhaps become extinct. If the thing eating the herring became extinct because it had less food, then the gulls population would increase and either boom and bust or grow and level out once they reached the carrying capacity.
Materials that can be magnetized, which are also the ones that are strongly attracted to a magnet, are called ferromagnetic<span>(or </span>ferrimagnetic<span>). These include iron, </span>nickel<span>, cobalt, some alloys of rare-earth metals, and some naturally occurring minerals such as lodestone.</span>
<span>Epithelial cells in the stomach require the use of coupled transport to make gastric acid. They use hydrogen potassium ATPase, which is an electroneutral pump, and exchanges potassium for hydronium in order to produce the gastric acid.</span>
