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4 years ago

Revisions to accepted scientific explanations can be based on what?

2 answers:

5 0

Science knowledge relies on experimental and observational confirmation. Where data is incomplete, new or improved data may well lead to revision of accepted science explanations.

natali 33 [55]4 years ago

5 0

Answer:

Based on scientific knowledge and tested trial

Explanation:

Revision of any scientific concept is based on scientific knowledge that has been experimented, tested and confirmed through observation. For instance- any scientific concept that was lacking complete data set (unknown at the time of its explanation) , but now new or improved data has been established which shall lead to revision of accepted science explanations.

In most of the situation where a scientific concept is updated consists of data sets that is fragmentary and hence a bit of incomplete.

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Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow

bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will least likely be altered in the population I

Explanation:

Population I -

Total population - $670$

Brown birds - $603$

Red birds - $67$

Population II

Total population - $100$

Brown birds - $90$

Red birds - $10$

Population III

Total population - $30$

Brown birds - $27$

Red birds - $3$

Frequency of red birds in population I

$\frac{67}{670} = 0.1$

Frequency of red birds in population II

$\frac{10}{90} = 0.11$

Frequency of red birds in population III

$\frac{3}{30} = 0.1$

Red allele frequency will be highest in population II and it will be equal to $\sqrt{0.11} = 0.33$ as compared to $0.31$ in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will least likely be altered in the population that has highest brown individual , i.e population I

4 0

4 years ago

The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n

anzhelika [568]

Answer:

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

7 0

3 years ago

What is true about scientific idea?

marshall27 [118]

It can be observed and tested

6 0

3 years ago

5. Which of the two cell reproduction processes that we learned about in this lesson is the one that is necessary for sexual rep

GaryK [48]

Meiosis is the cell replication of gametes (sex cells).

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3 years ago