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hram777 [196]
2 years ago
13

Hey guys!! Can you y'all help!!

Biology
2 answers:
garik1379 [7]2 years ago
6 0

Answer:

                 Acid                                     base

Red litmus - color doesn't change   Color change to blue  

Blue litmus- color change to red.    Color

                                              doesn't change

Explanation:

Hope this helps

Rus_ich [418]2 years ago
4 0
The relationship between cell,tissue and organ in human body is:

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The most primitive true animal belongs to the phylum ____.
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3 years ago
A biology student caught and tagged 50 trout in a small lake. After two weeks, the student caught another 40 trout and found tha
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The best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

<h3>Mark and recapture method</h3>

The formula for calculating the estimated number of individuals in the population is given as:

  • N = (M*C) / R

where:

  • N = estimated Number of individuals in the population
  • M = number of individuals captured and Marked
  • C = total number Captured the second time (with and without a mark)
  • R= number of individuals Recaptured (those with a mark)

Calculating the estimate trout population:

N = (50*40)/4

N = 50

Therefore, the best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

Learn more about mark and recapture method at: brainly.com/question/10646744

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2 years ago
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