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Osmoconforming Animals, Such as the Spider Crab, That Live in the Open

question 27

Essay

Osmoconforming animals, such as the spider crab, that live in the open ocean show little ability to withstand large variations in salinity, while coastal animals, such as the closely related fiddler crab, show great ability to withstand large salinity changes. Explain why this is the case, considering the relevant abiotic features of both habitats.


Definitions:

Marginal Revenue

The gain in revenue from disposing of one additional unit of a good or service.

Price Elasticity

An indicator of the responsiveness of the quantity of a product demanded to its price change, represented in terms of percentage variation.

Demand Curve

An illustration depicting the correlation between a product's price and the level of demand from buyers, often characterized by a descending trajectory.

MR

Marginal Revenue, which is the increase in revenue resulting from the sale of one additional unit of a product.

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