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Examine the graph the answer the question below.

The graph shows number of rotifers on the y-axis from 0 to 4500, in increments of 500. The x-axis is labeled as days. The data is as follows. Day 0: number of rotifers alone and number of rotifers with water fleas, 0. Day 2: number of rotifers alone and number of rotifers with water fleas, 0. Day 4: number of rotifers alone and number of rotifers with water fleas, 300. Day 6: number of rotifers alone and number of rotifers with water fleas, 500. Day 8: number of rotifers alone and number of rotifers with water fleas, 800. Day 10: number of rotifers alone, 1700 and number of rotifers with water fleas, 1600. Day 12: number of rotifers alone, 3000 and number of rotifers with water fleas, 1500. Day 14: number of rotifers alone, 4000 and number of rotifers with water fleas, 1100. Day 16: number of rotifers alone, 4200 and number of rotifers with water fleas, 200. Day 18: number of rotifers alone, 4200 and number of rotifers with water fleas, 0.

What is the flask’s carrying capacity for rotifers in the absence of water fleas?

(1 point)
Responses

0
0

1,800
1,800

3,000
3,000

4,200
4,200
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1 answer

The carrying capacity for rotifers in the absence of water fleas can be inferred from the data provided about the number of rotifers alone over time.

Looking at the data for the rotifers alone:

  • Day 10: 1700
  • Day 12: 3000
  • Day 14: 4000
  • Day 16: 4200
  • Day 18: 4200

The number of rotifers alone reached a peak of 4200 on Day 16 and remained at this level on Day 18. Since it did not increase beyond this number, we can conclude that the carrying capacity for rotifers in the absence of water fleas is 4,200.

So, the correct response is:

4,200