<span>B. The algae and the spider crabs have a mutualistic relationship
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<span>E. The spider crabs are parasites of the algae.
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It should be a food web or food pyramid
Purple Flower
this is because the phenotype is the physical description (:
<span>The nurse can explain that his hypermetabolic state can be caused by his medications and also his diet. In order to decrease his exacerbation, the patient will have to follow orders given for a good diet and taking his medication in a timely manner.</span>
The answer is the fourth one: Decrease in the fertility of the soil. If you just do crop rotation (harvesting a crop then planting the same type on the same soil) for many years, the soil just loses fertility because of so many of the same plants just using and depleting the fertility from the soil, making the soil less nutritious for the crops.