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Skeletons also aid in moverrent by giving muscles someth'ng f'rm to work against.
There are trree main types of skeletons: hydrostat'c skeletons, exoskeletons, arid
endoskeletons. Hydrostatic Skeletons a closed body compartment. This is the ...
ln planarians and other flatworms, the interstitial fluid is kept under pressure and
functions as the main hydrostatic skeleton. Planarian movement results mainly
from muscles in the body wall exerting localized forces against the hydrostatic ...
Activity Structure and Function of the Eye Concept 49.5 Animal skeletons function
in support, protection, and movement > Types of Skeletons (pp. 10631064) A
hydrostatic skeleton, found in most cnidarians, 'atworms, nernatodes, and
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I wasn't going to review Biology by Neil A. Campbell, because well... 1. It's ubiquitous. 2. I studied from the sixth edition in high school for Biology AP and the eighth edition for first-year ... Read full review
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This is a fabulous book. It also came with access to a free digital copy of the book, which was very handy. Read full review