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प्रश्न
What is the function of the appendix of our digestive system?
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उत्तर
The appendix of the human digestive system is a functionless or vestigial organ.
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संबंधित प्रश्न
Write the similarity between the wing of a butterfly and the wing of a bat. What do you infer from the above with reference to evolution?
State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialization period in England.
Explain with an example for the given, how the following provides evidence in favor of evolution in organisms :
Fossils
Differentiate between analogous and homologous structures.
Select and write analogous structures from the list given below :
1) Wings of butterfly and birds
2) Vertebrate hearts
3) Tendrils of Bougainvillea and Cucurbita
4) Tubers of sweet potato and potato
The presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?
(a) analogous organs
(b) respiratory organs
(c) digestive organs
(d) homologous organs
Read the following statement and justify the same in your own words with the help of a suitable example.
There is evidence of foetal science among chordates.
Write the names of those animals in whom some vestigial organs in human body are functioning.
_______ is a connecting link between Annelida and Arthropoda.
With the help of diagrams, describe emasculation and bagging.
What do you mean by vestigial structures? Name four vestigial organs found in man.
Explain any three molecular (genetic) evidences in favour of organic evolution.
What is carbon dating?
Select the correct statement.
Which of these is not a vestigial organ in human beings?
The presence of gill slits, in the embryos of all vertebrates, supports the theory of ______.
Animal husbandry and plant breeding programmes are the examples of ______.
Evolutionary convergence is the development of a ______.
Define the term:
Homologous organs
Define Palaeontology.
