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jasenka [17]
3 years ago
10

Which statement describes the variation of birth weights in this population?​

Biology
1 answer:
Alex Ar [27]3 years ago
8 0

Answer:

B. There is a moderate variation in birth weight.

Explanation:

The graph shows the "Number of Babies" on its<em> y-axis</em> and the "Weight in Pounds" on its x-axis. The line graph shows that the re is a moderate variation in birth weight and that occurs when the line of the graph starts to go up after 2.5 pounds and starts going down after 6.5 pounds. Then, the number of babies becomes constant again upon reaching 10.5 pounds.

Letter A <em>(There is no variation in birth weight) </em>is false. The weight in pounds on the y-axis shows a variation from 1 pound to 13 pounds and it also shows that many babies have a 6.5-weight in pounds. So, there is clearly variation here.

Letter C <em>(Variation changes over time)</em> is false. There is no indicator of time in the graph. It only shows two variables.

So, this explains the answer.

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Which of the following are examples of positive feedback loops? (Choose all that apply)
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The examples of positive feedback loops are as follows:

  1. contractions during the process of giving birth
  2. Blood clotting

<h3>WHAT IS POSITIVE FEEDBACK LOOP:</h3>
  • Positive feedback loop is that in which a change in a given direction causes additional change in that same direction.

  • The contractions during the process of giving birth is an example of positive feedback loop because the contractions further stretch the walls and continues until birthing occurs.

  • Also, the clotting of blood causes the stoppage of blood flow.

Therefore, the examples of positive feedback loops are as follows:

  1. contractions during the process of giving birth
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Learn more about positive feedback loops at: brainly.com/question/11312580

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