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arsen [322]
3 years ago
9

How are you part of the carbon cycle? How do you obtain carbon from the enviroment? How do you return carbon to the environment?

Biology
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

We obtain carbon through cellular respiration and return by excretion through the nose

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Which of these is found in the dorsal body cavity?
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Oque são frutos secos. cite exemplos
Sunny_sXe [5.5K]

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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
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

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3 years ago
4. In biology making the next generation is known as
balu736 [363]

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