Biology
Grade-9
Easy
Question
What is TRUE about the evolution of horses?
- The ancestors of modern horse migrated to areas with soft ground
- The modern horse evolved from deer-like ancestors
- The ancestors of modern horse were larger in size.
- The ancestors of modern horse had less functional digits.
Hint:
The modern horse evolved from horse-like ancestors.
The correct answer is: The modern horse evolved from deer-like ancestors
- Equus- the genus to which all modern equines, including horses, asses, and zebras, belong evolved from Pliohippus some 4 million to 4.5 million years ago during the Pliocene.
- Equus shows even greater development of the spring mechanism in the foot and exhibits straighter and longer cheek teeth.
Related Questions to study
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According to Lamarck’s theory the complexity of an organism _____________.
According to Lamarck’s theory the complexity of an organism _____________.
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Lamarckism cannot explain_____________.
Lamarckism cannot explain_____________.
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Match the following:
| a. aquatic birds | 1. Disuse of organs |
| b. flightless birds | 2. Limbed ancestors |
| c. Snakes | 3. Webbed feet |
Match the following:
| a. aquatic birds | 1. Disuse of organs |
| b. flightless birds | 2. Limbed ancestors |
| c. Snakes | 3. Webbed feet |
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Philosophie zoologique was written by__________.
Philosophie zoologique was written by__________.
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Match the following:
| a. Survival of the fittest | 1. Weismann |
| b. Theory of germplasm | 2. Lamarck |
| c. Inheritance of acquired characters | 3. Darwin |
Match the following:
| a. Survival of the fittest | 1. Weismann |
| b. Theory of germplasm | 2. Lamarck |
| c. Inheritance of acquired characters | 3. Darwin |
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Which of the following is an acquired trait?
Which of the following is an acquired trait?
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Lamarck’s theory of evolution fails to explain how:
Lamarck’s theory of evolution fails to explain how:
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Variations produced in ___________are not inherited, while variations produced in _______________ are inherited to the next generation?
Variations produced in ___________are not inherited, while variations produced in _______________ are inherited to the next generation?
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Somatic variations are inherited.
Somatic variations are inherited.
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Lamarck’s theory of evolution is called:
Lamarck’s theory of evolution is called:
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Which example explains Lamarckism?
Which example explains Lamarckism?
BiologyGrade-9
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The present-day snakes evolved from ancestors that had limbs. This example explains which postulate of Lamarck’s theory?
The present-day snakes evolved from ancestors that had limbs. This example explains which postulate of Lamarck’s theory?
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Weismann’s experiment discredited the hypothesis of:
Weismann’s experiment discredited the hypothesis of:
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What of the following is NOT a postulate of Lamarck’s theory of evolution?
What of the following is NOT a postulate of Lamarck’s theory of evolution?
BiologyGrade-9
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Lamarck’s theory states that, for organic evolution to occur each progeny:
Lamarck’s theory states that, for organic evolution to occur each progeny:
BiologyGrade-9
