Advertisements
Advertisements
प्रश्न
All organisms produce more young ones. Comment
Advertisements
उत्तर
Every living organism has a great potential for reproduction. All organisms produced more young ones than those which can survive up to maturity. In other words, any population tends to increase in geometrical proportion. The sole purpose of organisms is to survive and perpetuate the species.
APPEARS IN
संबंधित प्रश्न
Explain Darwinian theory of evolution with the help of one suitable example.
What is "fitness of an individual" according to Darwin?
The largest unit in which gene flow is possible is :
(1) Organism
(2) Population
(3) Species
(4) Genes
Briefly discuss the Theory of Natural Selection as given by Darwin.
Identify the two organisms which are now extinct and are studied from their fossils.
Differences between organisms in a species are described as variations. Which of the following would you describe as a continuous variation?
Natural selection is called ‘survival of the fittest. Which of the following statements best describes an organism?
Which one of the following statement is correct?
Species occurring in the different geographical areas are called as ______.
Match List - I with List - II.
| List - I | List II | ||
| (a) | Adaptive radiation | (i) | Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) | Convergent evolution | (ii) | Bones of forelimbs in Man and Whale |
| (c) | Divergent evolution | (iii) | Wings of Butterfly and Bird |
| (d) | Evolution by anthropo- genic action | (iv) | Darwin Finches |
Choose the correct answer from the options given below.
