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sukhopar [10]
3 years ago
15

Demonstrate in a brief paragraph how the scientific method is used to help us understand the universe and the movement of planet

s.​
Biology
1 answer:
Zolol [24]3 years ago
5 0

Answer: The scientific method attempts to minimize the influence of bias or prejudice in experiments. Even the best-intentioned scientists can't escape bias. That's the job of the scientific method. It provides an objective, standardized approach to conducting experiments and, in doing so, improves their results.

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Consider a locus with two alleles - B and b. B is dominant, while b is recessive. There is no mutation. B has a selective advant
Marat540 [252]

Answer:

0.09

Explanation:

<h3><u>Before selection</u></h3>

Total number in population = 1000

Genotype frequencies

Genotype frequency of BB = 500/1000 = 0.5

Genotype frequency of Bb = 250/1000 = 0.25

Genotype frequency of bb = 250/1000 = 0.25

Allele frequencies

Allele frequency of B = BB genotype frequency + half of the Bb genotype frequency = 0.5 + (0.25/2) = 0.625

Allele frequency of b = bb genotype frequency + half of the Bb genotype frequency = 0.25 + (0.25/2) = 0.375

<h3><u>After selection</u></h3>

We are told that after selection, the genotype frequency of bb is changed as they become 50% less fit. This means the frequency of bb individuals changes from 250 to 125 individuals (50% reduction).

Now the total number of individuals is 500 + 125 + 250 = 875.

Genotype frequencies

Genotype frequency of BB = 500/875 = 0.57

Genotype frequency of Bb = 250/875 = 0.29

Genotype frequency of bb = 125/875 = 0.14

Allele frequencies

Allele frequency of B = BB genotype frequency + half of the Bb genotype frequency = 0.57 + (0.29/2) = 0.715

Allele frequency of b = bb genotype frequency + half of the Bb genotype frequency = 0.14 + (0.29/2) = 0.285

<h3><u>Change in frequency of B after 1 generation</u></h3>

0.715 - 0.625 = 0.09

7 0
3 years ago
Which of the following distinguishes why “biosolid” is another name for fertilizers made from sewage sludge?
labwork [276]

Answer:

Sewage facilities remove liquid and then compact solid wastes.

Explanation:

Got it right on the quiz.

3 0
3 years ago
What is the name of the process that requires energy (adenosine triphosphate, or atp) for digested nutrients to be absorbed thro
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The name of the process that needs energy (adenosine triphosphate, or atp) for  nutrients that were digested to be absorbed through the small intestinal wall into the bloodstream or lymphatic system is called active transport. This process involves the movement of particles in a membrane from a lower concentration to a higher concentration with the aid of an external source like energy or enzymes.
4 0
3 years ago
The term meaning the surgical creation of a stoma into the trachea to insert a breathing tube is __________.
andrew-mc [135]
Do you have more choices?
3 0
3 years ago
Please tell me answers I am given you brainliest ​
qwelly [4]

Answer:

Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.

Q3->Because their outermost orbit is complete.  In Mendeleev's original periodic table there was no place reserved for noble gas.  They were discovered in end of 19th century.  So Mendeleev created zero group without disturbing original periodic table.

Explanation:

6 0
3 years ago
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