The scientific method<span> is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. To be termed </span>scientific<span>, a </span>method<span> of inquiry is commonly based on empirical or measurable evidence subject to specific principles of reasoning.</span>
The correct answer is (b.) an increase in the width of the stem. The increase in the width of the stem could be referred to as the secondary growth of the stem. Whereas the primary growth is the upward growth of the plant.
Reproductive isolation is the separation of species populations on the basis of behavior, geography or time. According to the given information statement ii, i.e., one population breeds in late spring and one in late summer and statement iv, i.e., singing by male of first population than other ones shows evidence that two populations are likely experiencing reproductive isolation and genetic exchange.
<h3>What is genetic exchange?</h3>
New genotype of species are formed through the process of genetic exchange.
Reproductive isolation for example, is in changes of bird song from different species of finch. Females of one species of finch are unable to recognize the bird song of males. This is a barrier that is pre-zygotic.
Another includes one population breeds in late spring and one in late summer and singing by male of first population than other.
Thus, the correct statements are ii and iv so the correct option will be D.
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Answer:
Trying to use the Scientific Method.
Explanation:
These two students are trying to make a experiment on these pigs they are raising. The reason why it is more like to attract the scientific method is because the steps were doing were based on it. (For example, they both might form a question and try different types of things to raise a pig)
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