If a marine invertebrate were placed into freshwater, it would have difficulty surviving because:a
it would not be able to obtain food.
b. it would have difficulty with osmoregulation.
c. it would not experience the temperature stability found in the oceans.
d. it would not be able to obtain oxygen due to the absence of waves in the water.
e. it would have difficulty with buoyancy.
B
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Chapter 16 mentioned that less than 3 percent of the water on Earth is freshwater. There are
organisms that have adjusted to the salinity of the oceans, but humans are not among them. Therefore, scientists are working on various desalination procedures—methods of removing the salt from ocean water. These desalination procedures are quite expensive and require advanced technology. Aside from the cost, what do you see as other potential drawbacks of performing desalination on a large scale?
What will be an ideal response?The process of fermentation requires oxygen
1.True 2.False
You a given a plant tissue in the lab and asked to determine if the tissue is a source or a sink. Microscopic analysis reveals an abundance of colorless parenchyma cells with plastids. Only one biochemical test reacts positively with your sample. In the presence of iodine, the plastids turn a dark purplish color. Based on this information, you determine your sample is
A. a source because your sample contains plastids. B. a source because your sample is rich in carbohydrates. C. both a source and sink because it contains both plastids and carbohydrates. D. a sink because your sample is rich in carbohydrates.
Cells of _____ muscle tissue are striated with a single nucleus, and this tissue is _____ in function.
Fill in the blank(s) with the appropriate word(s).