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Irina18 [472]
3 years ago
5

Competitive relationships are only seen within a particular population True or False

Biology
1 answer:
Sauron [17]3 years ago
4 0
Hello,

The answer is option B "false".

Reason:

Competitive relationships are NOT in a particular group its sometimes is a regular relationship. Its part of a relationship population not a population by itself therefore the answer is option B.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
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A serve flood brings a lot of sediment and silt into the black river. The oxygen of the river decreases greatly. What is the r l
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Malaria is an infectious disease caused by a unicellular eukaryotic organism belonging to the genus Plasmodium. These eukaryotic
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Parasitism.

Explanation:

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7 0
3 years ago
One g of fecal matter was suspended in 99 ml saline solution (tube 1). After mixing gently but thoroughly, one ml from tube 1 wa
malfutka [58]

Answer: the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

Explanation:

We know that; Gram negative bacteria looks  pale reddish in color under a light microscope from Gram staining.

therefore

There are 30 red bacterial colonies counted.

1 mL of from tube 1 was removed and added to tube with 99 mL saline (tube 2) dilution is 1/100.

transferred volume  into the plate is 1 mL.

Now, we have to determine the cfu/g Gram-negative bacteria in the fecal sample

Formula to calculate CFU/g bacteria in fecal sample is expressed as;

C = n/(s×d )

where C is concentration (CFU/g) , n is number of colonies , s is volume transferred to plate , d is dilution factor.

so we substitute

C = 30 / ((1/100) × 1)

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THERFERE, the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

3 0
3 years ago
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