The fossils give us the opportunity to study the physiology pf the species that existed in the past, and through their fossils comparisons can be made with the species that exist in the present.
By comparing them, lot of species can be connected with one another as they share common characteristics. By comparing the species that exist in the present, and slowly get back in time with the species that are extinct with whom they share common characteristics, it can easily be seen how the species developed, evolved, and what caused that.
Nice example are the felids. They all share the same basic characteristics, be it in the present or in the past. Through time they developed some specific characteristics on top of the basic ones, depending on the environment, so the connection is easily seen that they are related, but also that some factors contributed that they become bigger, smaller, nocturnal, day dwellers, had sabre teeth, longer legs, shorter more muscly legs etc.
During meiosis, 1 diploid cell undergoes 2 cycles of cell division but only 1 round of DNA replication. The result is 4 haploid daughter cells known as gametes. Independent assortment is the process where the chromosomes move randomly to separate poles during meiosis
<span>Empirical studies are results of analysis of data based on actual observation or experiences in the field. When conducting an empirical study, quantitative and qualitative approaches are employed, including:</span>
<span>1. </span><span>Providing data</span>
<span>2. </span>Emphasizes features of a new condition
<span>3. </span>Describes the current status of existing condition
<span>4. </span>Highlight associations between variables, but cannot establish causality, and
<span>5. </span>Suggest hypotheses which can be tested in analytical studies
<span>Qualitative empirical studies provide deep contextual data to help us understand a situation, but it cannot be used to establish its prevalence or incidence. It cannot be generalized also to highlight the statistical relationship between variables. If the aim is to measure the relationship, the quantitative methods should be used. A cross-sectional survey with large sample size is needed to describe the who, what, and where of a situation. Still, it cannot answer the why question. In order to answer the question of "why", an analytical or experimental study is needed. Experimental error is an important consideration here considering lapses or inaccuracies in the qualitative and quantitative data. </span>
Answer:
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