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fenix001 [56]
4 years ago
10

The basic structural unit of the body is the: heart brain cell tissue

Biology
2 answers:
cricket20 [7]4 years ago
8 0

Answer:

The correct answer would be cell.

Cell is the basic structural and functional unit of life or body. For example, nerve cell is the functional and structural unit of nervous system, nephron forms the structural and functional unit of excretory system et cetera.

When many similar cells work together to attain the same function, they form a tissue.

Similarly, similar tissues work in synchronization to form an organ which forms an organ system.

Ultimately, the organ systems form an organism.

Gre4nikov [31]4 years ago
6 0
Cells are considered the basic structural units of the body.
Cells are what make up the tissues that compose organs such as the heart and the brain. 
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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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3 years ago
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liberstina [14]

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B, A larger human population has a greater need for natural resources.

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SOOOOO... as the biodiversity of the human population increases, CAUSES us to use resources.

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