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aliina [53]
3 years ago
8

The mass of an element is the sum of the atomic number and the number of

Biology
1 answer:
MariettaO [177]3 years ago
5 0

Answer:

a. electrons

Explanation:

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Which enzyme breaks the hydrogen bonds during replication?
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Helicase

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What tool used to see the movement of storm clouds
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Which of the following organisms would you expect to find in a layer of rock at the bottom of a deep canyon? a) an ammonite b) a
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The role of respiration is to transform the energy from food molecules into usable energy for the cell through a series of chemi
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8 0
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
Vlad1618 [11]

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

6 0
3 years ago
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