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RoseWind [281]
3 years ago
9

Explain why the average cell size is similar in blue whale and in an earthworm. Worth 20 points

Advanced Placement (AP)
1 answer:
Levart [38]3 years ago
7 0

Answer: Limited Surface area - Volume ratio

Explanation:

Cells in various organisms usually have the same size be it a blue whale or an earthworm, a Human or a mouse or an Elephant and a squirrel. This is down to the way the cell is structure.

The Cell needs to absorb nutrients to survive while getting rid of waste material. For that to happen it needs an adequate surface area. The problem is that as the cell absorbs more nutrients thereby increasing in volume, this rise in volume occurs at a faster rate than the cell can increase its surface area so the surface area will keep shrinking.

Therefore, in order to have enough surface area to keep up the process of absorption and excrement, the cell will stop growing at the certain point and this process is similar in most if not all organisms.

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<span>1.  </span><span>What economic question(s) does this case require the town to ask? (2 points)  </span>

<span>a.           </span>Should the dog park be built?

<span>b.           </span>Should the schools be expanded?

<span>c.           </span>Should the land be sold to the man who wants to build luxury homes?

 

<span>2.  </span>List the possible resources that the town would need to construct and maintain the park. (2 points)

<span>a.           </span>Fencing.

<span>b.           </span>Waste bag dispensers

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<span>3.  </span>What town resource(s) are scarce? (1 points)

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<span>4.  </span>Who will be the consumers using this public good<span>? (2 points)  </span>

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<span>b.           </span>7,000 registered dogs

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<span>5.  </span>What is the opportunity cost <span>of building this park? Explain. (5 points)  </span>

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<span>b.  </span><span>selling the land to real estate developers to build homes  </span>

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<span>c.           </span>What if the school is expanded, and isn’t filled?

<span>d.           </span> 

<span>8.  </span>Create a chart that identifies the positive and negative externalities <span>of building the  park. Explain the effect of each externality. (Hint: You may use the charts on pp.  </span>

64−65 as a guideline.) (6 points)

 

<span> <span><span> <span> Pro’s </span> <span> Con’s </span> </span> <span> <span> The dog park offers space for dogs. </span> <span> What if land is wasted? </span> </span> <span> <span> Gives dog owners a space of their own to interact with their pets. </span> <span> What if the luxury homes deal was better? </span> </span> <span> <span> Having the extra park space will make the town to be more family and pet friendly. </span> <span> What about the cost to build it? </span> </span> <span> <span> Could attract more families, along with their dogs. </span> <span> Money for school expansion will be lost. </span> </span> </span></span>

 

 

 

 

<span>9.  </span>How could the town government counteract the negative externalities<span>? (3 points)  </span>

<span>a.           </span><span>The building of the park will be used by over 7,000 registered dogs and their owners, and that means that there will be much money made.</span>

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