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Evolution of Horse Video Lecture | Zoology Optional Notes for UPSC
The document Evolution of Horse Video Lecture | Zoology Optional Notes for UPSC is a part of the UPSC Course Zoology Optional Notes for UPSC.
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FAQs on Evolution of Horse Video Lecture - Zoology Optional Notes for UPSC
| 1. What is the ancestral stock of horses? |  |
Ans. The ancestral stock of horses is believed to be a small, forest-dwelling animal known as Hyracotherium or Eohippus. This animal lived about 55 million years ago and had several characteristics that are similar to modern-day horses.
| 2. What is the evolutionary sequence of horses? | |
Ans. The evolutionary sequence of horses can be traced through several species over millions of years. It begins with the small Hyracotherium or Eohippus, which gradually evolved into larger and more horse-like species such as Mesohippus, Merychippus, and Pliohippus. Finally, the modern-day horse, Equus, emerged.
| 3. What is orthogenesis in horse evolution? | |
Ans. Orthogenesis refers to the hypothesis that suggests evolution proceeds in a predetermined, straight line, guided by internal forces or mechanisms. In the context of horse evolution, orthogenesis suggests that the evolution of horses followed a linear progression towards larger size and adaptations for grassland habitats. However, this hypothesis is not widely accepted in modern evolutionary biology.
| 4. How did the evolution of horses occur? | |
Ans. The evolution of horses occurred through a process known as natural selection. Over time, individuals with traits that were advantageous in their environment, such as longer limbs for running, survived and reproduced more successfully. These advantageous traits were then passed on to future generations, leading to gradual changes in the horse lineage over millions of years.
| 5. How does the evolution of horses relate to the UPSC exam? | |
Ans. The evolution of horses is a topic that may be relevant to the UPSC exam in the context of biology or general knowledge. Understanding the evolutionary sequence of horses and the concept of natural selection is important in comprehending broader principles of evolution and adaptation. Familiarity with these concepts can be helpful in answering questions related to biodiversity, ecology, or evolutionary biology on the UPSC exam.
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Oct 31, 2024 Last updated |
Document Description: Evolution of Horse for UPSC 2024 is part of Zoology Optional Notes for UPSC preparation.
The notes and questions for Evolution of Horse have been prepared according to the UPSC exam syllabus. Information about Evolution of Horse covers topics
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Introduction of Evolution of Horse in English is available as part of our Zoology Optional Notes for UPSC
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