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Practice Reading: Fill in the Blanks (Dropdown) ID: #46873 Natural

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Darwin's theory of Natural Selection brought about changes in philosophical thoughts as well; the anthropologists scrapped the old and ideas and started rein- terpreting the historical facts in the light of new research. The history of of life on earth reveals very interesting facts. The scientists believe that life in water, and it took billions of years for life to evolve from simple organisms to the ones we see today. In evolutionary historical process, many fascinating changes took place; out of which, the evo- lution of the origin of shells has been the most astounding. Most, but not all mollusks have shells; the purpose of the same is from predators. Shells enchant us no end with their vast variety of forms, textures and combinations of colours. Shells were more or less used as by these animals, to back off from danger. Then, there were species like tortoises, which seem to benefit from nature's creative force the most and in the process got themselves designer shells.

Result:

A.I. Explanation:

Correct answer: revolutionary
Explanation: The term 'revolutionary' fits perfectly in this context as it describes significant and transformative changes in philosophical thoughts, aligning with the overall sentiment of the sentence. It indicates a major shift, which is appropriate given the historical impact of Darwin's theory.
Meaning: 'Revolutionary' means causing a complete or dramatic change, particularly in ideas or practices.
Wrong options:
abrupt: 'Abrupt' suggests a sudden change, which does not capture the profound and ongoing impact of Darwin's theory on philosophical thought.
procedural: 'Procedural' refers to a method or process, which does not convey the transformative nature of the changes brought about by the theory.
systematic: 'Systematic' implies an organized method, but it lacks the connotation of significant change that 'revolutionary' provides.
Correct answer: theories
Explanation: The word 'theories' is the most suitable choice as it refers to established ideas that were discarded in favor of new interpretations, fitting well with the context of anthropologists changing their views.
Meaning: 'Theories' are systematic explanations of phenomena, often based on principles and evidence, which in this case were replaced by new insights.
Wrong options:
practices: 'Practices' refer to habitual actions or methods, which does not align with the context of changing foundational ideas.
assumptions: 'Assumptions' are beliefs taken for granted, but they do not specifically denote the structured ideas that were replaced.
values: 'Values' refer to principles or standards of behavior, which do not directly relate to the scientific ideas being scrapped.
Correct answer: evolution
Explanation: The term 'evolution' is the most appropriate choice as it directly relates to the history of life on earth, emphasizing the process of change over time, which is the main focus of the sentence.
Meaning: 'Evolution' refers to the gradual development of organisms and life forms over time through processes such as natural selection.
Wrong options:
man: This option is repeated and similarly incorrect for the same reasons as above.
ocean: 'Ocean' does not relate to the historical process of life but rather refers to a physical environment.
Correct answer: originated
Explanation: The word 'originated' fits well as it indicates the beginning or starting point of life, aligning with the context of the sentence that discusses the emergence of life.
Meaning: 'Originated' means to have begun or started from a particular source or place.
Wrong options:
started: 'Started' is a more informal term and does not convey the same depth of meaning as 'originated' in this scientific context.
developed: 'Developed' implies a process of growth or evolution, which is not as precise as 'originated' when discussing the initial emergence of life.
shaped: 'Shaped' suggests a process of forming or influencing, which does not accurately describe the initial emergence of life.
Correct answer: protection
Explanation: The term 'protection' is the most fitting choice as it describes the primary function of shells in safeguarding mollusks from predators, aligning with the context of the sentence.
Meaning: 'Protection' refers to the act of keeping someone or something safe from harm or danger.
Wrong options:
attraction: 'Attraction' implies drawing something closer, which does not relate to the defensive purpose of shells.
distance: 'Distance' refers to the space between objects, which is irrelevant to the function of shells.
separation: 'Separation' suggests dividing or keeping apart, which does not accurately describe the protective role of shells.
Correct answer: retreats
Explanation: The word 'retreats' is appropriate as it conveys the idea of withdrawing from danger, which aligns with how animals use their shells for safety.
Meaning: 'Retreats' means to withdraw or move back from a position of danger.
Wrong options:
disguise: 'Disguise' implies hiding one's identity, which does not fit the context of using shells for safety.
converse: 'Converse' means to engage in conversation, which is unrelated to the protective function of shells.
offence: 'Offence' refers to an act of aggression, which contradicts the idea of retreating from danger.

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