Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.

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#Question id: 11061

#7. System Physiology – Animal

The pleural pressure of a normal 56-year-old woman is approximately −5 cm H2O during resting conditions immediately before inspiration (i.e., at functional residual capacity). What is the pleural pressure (in cm H2O) during inspiration?

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#Question id: 3647

#3. Fundamental Processes

In the cell cycle: there are four main phases, G1, S, G2 and M phase. S phase is the :

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#Question id: 6970

#5. Developmental Biology

Neural crest cells will become:

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#Question id: 5226

#11. Evolution and Behavior

Which of the following has the largest genome and the fewest genes per million base pairs?

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#Question id: 846

#1. Molecules and their Interaction Relevant to Biology

The maintenance of the steady-state collection of active cellular proteins required under a particular set of conditions, called ______.